SECURITIES AND EXCHANGE COMMISSION
                          WASHINGTON, DC 20549

                            SCHEDULE 13D
                           (RULE 13D-101)

              INFORMATION TO BE INCLUDED IN STATEMENTS FILED
             PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO
                     FILED PURSUANT TO RULE 13d-2(a)

		         Amendment No. 4


                   Electronic Systems Technology, Inc.

                          (NAME OF ISSUER)

                              Common Stock

                  (TITLE OF CLASS OF SECURITIES)

                            285848107

                          (CUSIP NUMBER)

                         Paul D. Sonkin
                 Hummingbird Management, LLC
             (f/k/a Morningside Value Investors, LLC)
                460 Park Avenue, 12th  Floor
                 New York, New York 10022

             (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON
            AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS)



                           September 11, 2007

(DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)


     If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule 13D, and is filing
this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the
following box. [ ]

    Note: Schedules filed in paper format shall include a signed original and
five copies of the Schedule, including all exhibits. See Rule 13d-7(b) for
other parties to whom copies are to be sent.


                   (Continued on following pages)







------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 2 of 10 Pages
------------------------                            ----------------------------



================================================================================
     1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                           Hummingbird Management, LLC
                    (f/k/a Morningside Value Investors, LLC)
                               IRS No. 13-4082842
--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     OO
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     DELAWARE
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                    831,252
  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                               831,252
               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                     831,252
--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     16.2%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON*

                     OO
================================================================================



------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 3 of 10 Pages
------------------------                            ----------------------------




================================================================================
     1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                                 Paul D. Sonkin
--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     OO
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     UNITED STATES
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                    831,252
  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                               831,252
               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                     831,252
--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES*                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     16.2%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON

                     OO
================================================================================



------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 4 of 10 Pages
------------------------                            ----------------------------




================================================================================
     1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                           Hummingbird Capital, LLC
                    (f/k/a Morningside Capital,  LLC)

--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     OO
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     DELAWARE
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                    831,252
  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                               831,252
               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                     831,252
--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     16.2%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON

                     OO
================================================================================


------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 5 of 10 Pages
------------------------                            ----------------------------




================================================================================
     1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                           Hummingbird Value Fund, L.P.
--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     WC
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     DELAWARE
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                   317,234
  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                               317,234
               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                     317,234
--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     6.2%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON

                     LP
================================================================================




------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 6 of 10 Pages
------------------------                            ----------------------------




================================================================================
     1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                           Hummingbird Microcap Value Fund, L.P.
--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     WC
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     DELAWARE
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                    257,726
  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                               257,726
               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                              257,726
--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES*                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     5.0%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON

                     LP
================================================================================


------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 7 of 10 Pages
------------------------                            ----------------------------
   1         NAME OF REPORTING PERSONS S.S. OR
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                           Tarsier Nanocap Value Fund, L.P.
--------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) /X/
--------------------------------------------------------------------------------
     3         SEC USE ONLY

--------------------------------------------------------------------------------
     4         SOURCE OF FUNDS
                     WC
--------------------------------------------------------------------------------
     5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
               PURSUANT TO ITEM 2(d) OR 2(e)                                 / /
--------------------------------------------------------------------------------
     6         CITIZENSHIP OR PLACE OF ORGANIZATION

                     DELAWARE
--------------------------------------------------------------------------------
  NUMBER OF        7      SOLE VOTING POWER
   SHARES
BENEFICIALLY                     256,292

  OWNED BY
    EACH
  REPORTING
 PERSON WITH   -----------------------------------------------------------------
                   8      SHARED VOTING POWER

                               -0-
               -----------------------------------------------------------------
                   9      SOLE DISPOSITIVE POWER

                                256,292

               -----------------------------------------------------------------
                  10      SHARED DISPOSITIVE POWER

                               -0-
--------------------------------------------------------------------------------
     11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                      256,292

--------------------------------------------------------------------------------
     12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
               SHARES                                               / /
--------------------------------------------------------------------------------
     13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                     5.0%
--------------------------------------------------------------------------------
     14        TYPE OF REPORTING PERSON

                     LP
================================================================================


------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                      Page 8 of 10 Pages
------------------------                            ----------------------------



  AMENDMENT NO. 4 TO SCHEDULE 13D

         This Amendment No. 4, dated September 12, 2007 to Schedule 13D is
filed by the Reporting Persons and amends the Schedule the 13D as previously
filed by the Reporting Persons with the Securities and Exchange Commission
on January 4, 2007 (the "Schedule 13D"),relating to the common Stock, $.001
par value (the "Common Stock") of ELECTRONIC SYSTEMS TECHNOLOGY, INC. a
Washington Corporation.


Items 3 and 5 are hereby amended and restated, as follows:


ITEM 3    SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

          As of September 12, 2007,  Hummingbird  has caused HVF, Microcap
Fund,and Tarsier Fund to invest approximately $206,929, $170,989, and
$175,075, respectively, in the Shares of the Issuer using their working
capital.

ITEM 5    INTEREST IN SECURITIES OF THE ISSUER

          (a) As investment manager of HVF, Microcap Fund, and Tarsier
Fund, Hummingbird may be deemed to have the sole voting and investment
authority over the Shares owned by HVF, Microcap  Fund, and Tarsier Fund,
for purposes of Rule 13d-3 under the  Securities Exchange  Act of 1934, as
amended  ("Rule  13d-3"),  may be  deemed  to be the beneficial  owner of
831,252  Shares representing  approximately 16.2% of the  outstanding shares
of the Issuer (based upon  5,153,667  shares of Common Stock outstanding as of
August 13, 2007 as reported  on Form 10-QSB for the period  ended
June 30, 2007.)Hummingbird disclaims any beneficial ownership of the
Shares covered by this Statement.

      Mr. Sonkin is the managing member and control person of Hummingbird,
and for purposes of Rule 13d-3 may be deemed the beneficial owner of such
Shares deemed to be beneficially owned by Hummingbird. Thus, Mr. Sonkin may
be deemed, for purposes of Rule 13d-3, to be  may be  deemed  to be the
beneficial  owner of 831,252  Shares representing  approximately 16.2% of the
outstanding shares of the Issuer (based upon  5,153,667  shares of Common Stock
outstanding as of August 13, 2007 as reported  on Form 10-QSB for the period
ended June 30, 2007.) Mr. Sonkin disclaimsany economic interest or beneficial
ownership of the Shares covered by this Statement.



------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                     Page 9 of 10 Pages
------------------------                            ----------------------------

          HC, as the general  partner of each of HVF, Microcap Fund, and
Tarsier Fund, Hummingbird may be deemed to have the sole voting and
investment authority over the Shares owned by HVF, Microcap  Fund, and
Tarsier Fund, for purposes of Rule 13d-3 under the  Securities Exchange
Act of 1934, as amended  ("Rule  13d-3"),  may be  deemed  to be the
beneficial  owner of 831,252  Shares representing  approximately 16.2% of the
outstanding shares of the Issuer (based upon  5,153,667  shares of Common Stock
outstanding as of August 13, 2007 as reported  on Form 10-QSB for the period
ended June 30, 2007.)  HC disclaims any beneficial ownership of the Shares
covered by this Statement.

          HVF is the beneficial owner of 317,234 Shares or 6.2%  of the
outstanding shares of the Issuer.

          Microcap Fund is the beneficial owner of 257,726  Shares or 5.0%
of the outstanding shares of the Issuer.

	  Tarsier Fund is the beneficial owner of 256,292 Shares or 5.0%
of the outstanding shares of the Issuer.


          (c) Hummingbird caused HVF to effect transactions in
the Shares during the past 60 days as set forth below:




                                              NUMBER OF
   DATE              TYPE                      SHARES         PRICE/SHARE
   ----              ----                      ------         -----------
                                                      
8/22/2007	open market purchase		750		1.017
8/27/2007	open market purchase		500		0.950
8/28/2007	open market purchase		250		0.950
8/29/2007	open market purchase		550		0.940
8/30/2007	open market purchase		250		1.000
8/31/2007	open market purchase		750		1.000
9/10/2007	open market purchase		500		0.980
9/11/2007	open market purchase		350		1.010




          Hummingbird caused Microcap Fund to effect transactions in
the Shares during the past 60 days as set forth below:



                                              NUMBER OF
   DATE              TYPE                      SHARES         PRICE/SHARE
   ----              ----                      ------         -----------
                                                      
8/22/2007	open market purchase		 750 		1.017
8/28/2007	open market purchase		 250 		0.950
8/29/2007	open market purchase		 550 		0.940
8/30/2007	open market purchase		 250 		1.000
8/31/2007	open market purchase		 750 		1.000
9/10/2007	open market purchase		 500 		0.980
9/11/2007	open market purchase		 350 		1.010






          Hummingbird caused Tarsier Fund to effect transactions in
the Shares during the past 60 days as set forth below:



                                              NUMBER OF
   DATE              TYPE                      SHARES         PRICE/SHARE
   ----              ----                      ------         -----------
                                                      
8/6/2007	open market purchase		 1,000 		0.990
8/15/2007	open market purchase		 1,000 		0.980
8/16/2007	open market purchase		 2,000 		0.980
8/17/2007	open market purchase		 1,000 		0.950
8/20/2007	open market purchase		   500 		1.010
9/10/2007	open market purchase		 1,000 		0.980
9/11/2007	open market purchase		   300 		1.010






           (d)         Inapplicable.

           (e)         Inapplicable.




------------------------                            ----------------------------
CUSIP No. 285848107                13D/A                     Page 10 of 10 Pages
------------------------                            ----------------------------



                                   SIGNATURES

          After reasonable  inquiry and to the best of our knowledge and belief,
we certify that the  information  set forth in this statement is true,  complete
and correct.


Dated: September 12, 2007             HUMMINGBIRD MANAGEMENT, LLC
                                   (f/k/a Morningside Value Investors, LLC)


                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin
                                       Title: Managing Member


                                    /s/ Paul D. Sonkin
                                   -------------------------------------
                                   PAUL D. SONKIN


                                   HUMMINGBIRD VALUE FUND, L.P.

                                   By: Hummingbird Capital, LLC

                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin
                                       Title: Managing Member

                                   HUMMINGBIRD MICROCAP VALUE
                                   FUND, L.P.

                                   By: Hummingbird Capital, LLC

                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin
                                       Title: Managing Member



                                 Tarsier Nanocap Value
                                   FUND, L.P.

                                   By: Hummingbird Capital, LLC

                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin
                                       Title: Managing Member



                                   HUMMINGBIRD CAPITAL, LLC
                                   (f/k/a Morningside Capital, LLC)


                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin
                                       Title: Managing Member


                                   By: /s/ Paul D. Sonkin
                                       ---------------------------------
                                       Name: Paul D. Sonkin