  
Two-Channel remote control. One channel Rolling Code Technology. One "LEARN" channel to activate shared LiftMaster radio-controlled devies. Two 5-year lithium batteries included (3 volts).
This unit is compatible with the following models:
Liftmaster 91LM, 92LM, 96LM, 970LM, 971LM, 973LM and 974LM
Chamberlain 950CB,953CB,956CB
Sears 139.53681,139.53680
Compatible with ALL Security+ systems, 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 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
390 MHZ Frequency, 100 Billion codes with code rotating technology
2 channel transmitter, compatible with models manufactured from 1997-present
Volume Discounts available.
Availability: Usually ships the next business day.
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