Sears Craftsman Liftmaster 974LM Security+ Garage Door Opener Transmitter 
LiftMaster 974LM Security+ Garage Door Opener Remote Compatible with the following models:
ALL Security+ systems including the following brands (with amber indicator light)...
Liftmaster 91LM, 92LM, 96LM, 970LM, 971LM, 972LM, and 973LM
Chamberlain 950CB, 953CB, 956CB
Sears Craftsman 139.53681,139.53680
Compatible with Security+ systems with Amber learn button, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal)
Also compatible with wireless keypad model number 976LM (same as model 940CB, 139.53684)
Compatible with Liftmaster garage door opener model numbers 1240R, 1245R, 1246R, 1255R, 1256R, 1265, 1280R, 1000SDR, 2000SDR, 1245 GMR, 1255GMR, 985, 2265, 2565, 1280R, 2280, 2580, 2220, 2110, ATS211R, 2500
Compatible with Chamberlain garage door opener model numbers 1200, 2200, 4200, 6200, 7220, CG40, CG40, PD210, PD610, PD612K, 7320, 8200, 9200, 4620, 4640, 9902, PD420, PD460-2, 9950
Compatible with Security+ garage opener receiver model numbers 335LM, 535LM, 412HM, 635LM
390 MHZ Frequency, 100 Billion codes with code rotating technology
4 channel transmitter, compatible with models manufactured from 1997-2005
Visor clip and Lithium battery (5 years life w/normal use) included
PROGRAMMING INSTRUCTIONS
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