Sears Craftsman 139.53605 Remote is Equivalent to the 61LM ...
Equivalent to the Sears Craftsman 139 model number listed above Dip switches inside the battery compartment match up with your existing remote Also has a set of dip switches on the overhead opener itself if you no longer have a working remote... LiftMaster Garage Door Opener Description This Liftmaster 61LM remote is the equivalent remote to the Sears Craftsman 139 model number listed above. It has dip switches inside the battery compartment that you match up with your existing remote to make it open your garage door. There is also a set of dip switches on the overhead opener itself if you no longer have a working remote. This remote operates on a 390 MHZ Frequency, and works on models from 1984-1992 essentially.