X0202 4 2007-01-16 0 0001122860 Electronic Sensor Technology, Inc ESNR 0001316640 Lim Teong 1077 BUSINESS CENTER CIRCLE NEWBURY PARK CA 91320 1 1 0 0 President and CEO Common Stock 4729112 I By TC Lim, LLC Stock Option (right to buy) 0.24 2007-01-16 4 A 0 100000 0 A 2017-01-16 Common Stock 100000 100000 D Stock Option (right to buy) 1.00 2005-02-01 2015-02-01 Common Stock 80000 80000 D Warrant (right to buy) 1.00 2005-02-01 2010-02-01 Common Stock 438796 438796 I By TC Lim, LLC Dr. Lim is the sole member of TC Lim, LLC. Such warrant is only exercisable if the trading price of the Common Stock of the issuer is at least $1.50 per share. The options granted to Dr. Lim will vest as follows: one quarter of the option shares will vest on January 16, 2008, one quarter on January 16, 2009, one quarter on January 16, 2010 and one quarter on January 16, 2011. Exhibit 24 - Power of Attorney (incorporated by reference from Form 3 filed on December 29, 2006) /s/ Philip Yee, as Attorney-in-Fact for Teong Lim 2007-01-18