Replacement aftermarket key chain remote compatible with the following part numbers:
Chamberlain 950D, 953D, 956D
Liftmaster 370LM, 371LM, 372LM, 373LM, 973-315LMU, 374LM
Sears Craftsman 139.53752, 139.53753
Chamberlain Keyless Entry 940D
Liftmaster Keyless entry 65LM, 377LM