This replacement remote ONLY works with Red or Orange Learn Button LiftMaster / Chamberlain / Sears Craftsman / Raynor / AccessMaster / Master-Mechanic brand garage door opener (hanging in your garage) made around 1997-2005 that features Security+ 390 MHz technology.
Or you can check if your remote control's model number is listed below
LiftMaster: 91LM, 92LM, 94LM, 96LM, 970LM, 971LM, 972LM, 973LM, 973W, 974LM
Chamberlain: 950CB, 953CB, 956CB
Sears Craftsman: 139.53680, 139.53681, 139.53684, 00953680000, 00953681000
Specifications
Material: Plastic,Metal
Color: Black & silver
Rated Voltage: 12V
Rated Current: 14mA
Channel: 4
Operating Frequency: 390MHz
Remote Control Range: Up to 100 meters
Size: 2.6'' x 1.4'' x 0.7''
