Liftmaster Garage Door Opener
Replacement Key-Chain Transmitter

Compatible with the following models:
• Liftmaster 91LM, 971LM, 92LM, 972LM, 96LM, 973LM, 974LM, 976LM
• Chamberlain 950CB, 953CB, 956CB
• Sears 139.53681, 139.53680
• Compatible with Security+ systems with Amber learn button, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal), compatible with models manufactured from 1997-2005
• Compatible with garage door opener operator model numbers 1240R, 1245R, 1246R, 1255R, 1256R, 1265, 1280R, 1000SDR, 2000SDR, 1245 GMR, 1255GMR
• Compatible with Security+ garage opener receiver model numbers 335LM, 535LM, 412HM, 635LM
• 3 channel mini key-chain transmitter, operates up to three devices
• Slim line, perfect for pocket, purse or motorcycles - 2.5" by 1"
• 390 Mhz frequency, 100 Billion codes with code rotating technology, Lithium battery (5 years life w/normal use) included