This LiftMaster 971LM is a direct replacment for your Sears Craftsman 139.18791 18791 remote control. If your current remote has a BLUE button(s) or the learn / SRT button on the opener is ORANGE or RED, then this is the correct unit for your opener. Programming is simple just press the programming button on the opener then press the button on the remote and you are ready to do.
The Sears Craftsman 139.18791 18791 Compatible 1-button visor remote is directly compatible with the following models to control one security+ devices on 390Mhz:
LiftMaster: 91LM, 92LM, 94LM, 96LM, 971LM, 972LM, 973LM, 973W, 974LM.
Chamberlain: 950CB, 953CB, 956CB.
Sears Craftsman: 139.53680, 139.53681 new part numbers 00953680000 or 00953681000.
Note: Will not work on openers or remotes operating on 315Mhz or openers that have a PURPLE learn button or black buttons on the remote. Use the Liftmaster 371LM that operates on 315Mhz available from our store.
-Activates one Security+ device on the 390MHz frequency
-For openers manufactured between 1997 and 2005
-Includes Visor mounting clip
-Includes 3 volt lithium battery CR2032
-Features rolling code technology
-Dimensions: 3.0 x 1.5 x 0.6 inches
-One year manufacturers warranty