Electronic Sensor Technology, Inc - Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Expires: January 31, 2008 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Halfmoon Bay Capital Ltd

2. Date of Event Requiring Statement (MM/DD/YYYY) 3/28/2008

3. Issuer Name and Ticker or Trading Symbol

Electronic Sensor Technology, Inc [ESNR]

(Last) (First) (Middle)

TRIDENT CHAMBERS, P.O. BOX 146,

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director ___ X ___ 10% Owner
_____ Officer (give title below) _____ Other (specify below)

(Street)

ROAD TOWN TORTOLA, D8 00000

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	86419753 ⁽³⁾	D ⁽¹⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Convertible Debenture (right to buy) ⁽²⁾	3/28/2008	3/28/2013	Common Stock	41152263 ⁽³⁾	$0.0486	D ⁽¹⁾

Explanation of Responses:
( 1)	The shares of common stock and debenture are owned directly by Halfmoon Bay Capital Ltd and indirectly by Wan Azmi Wan Hamzah, who is both a shareholder and a director of Halfmoon Bay Capital Ltd. Halfmoon Bay Capital Ltd has three shareholders, who are Wan Azmi Hamzah, Nik Anida Bte Nik Manshor and Wan Afzal Bin Wan Azmi and two directors, who are Wan Azmi Wan Hamzah and Nik Anida Bte Nik Manshor.
( 2)	$2,000,000 of a 9% Convertible Debenture
( 3)	Wan Afzal Bin Wan Azmi expressly disclaims beneficial ownership of these securities as Wan Afzal Bin Wan Azmi is not a director of Halfmoon Bay Capital Ltd and the Board of Directors of Halfmoon Bay Capital Ltd makes the ultimate voting and investment decisions with respect to these shares.

Remarks:
Exhibit List:
Exhibit 24.1 - Power of Attorney for Halfmoon Bay Capital Ltd
Exhibit 24.2 - Power of Attorney for Wan Azmi Wan Hamzah

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Halfmoon Bay Capital Ltd TRIDENT CHAMBERS, P.O. BOX 146 ROAD TOWN TORTOLA, D8 00000		X
Wan Hamzah Wan Azmi SUITE 10.3, WEST WING, ROHAS PERKASA 9 JALAN PERAK KUALA LUMPUR, N8 50450		X

Signatures
/s/ Philip Yee, Attorney-in-Fact for Wan Azmi Wan Hamzah		4/8/2008
^** Signature of Reporting Person		Date
/s/ Philip Yee, Attorney-in-Fact for Halfmoon Bay Capital Ltd		4/8/2008
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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