This LiftMaster 387LM is directly compatible with the Sears Craftsman 139.53776 wireless keypad. This unit will work on openers made between 1984 and 1997, these units will eithe have 9 (+/0/-) dip switches or a learn button that is GREEN, WHITE, YELLOW, or GREY. Programming and installation is a snap, don't be locked out of your garage ever again.
-Controld one garage door or automatic gate opener
-For Sears Craftsman, Liftmaste, and Chamberain openers made between 1984 and 1997
-390 MHz radio frequency
-Will work with openers that have 9 (+/0/-) dip swtiches or GREEN, WHITE, YELLOW, or GREY learn/rogram buttons
-Weatherproof, slide-up protective cover
-Includes 9 volt battery, programming manual, and mounting screws
-Dimensions: 6" by 2.5" by 1"
-1-year limited warranty