Sears Craftsman 139.53415SR Remote is Equivalent to the 61LM,Sears Craftsman,CECOMINOD042876" /> 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 Operates on a 390 MHZ Frequency, and works on models from 1984-1992 12V battery and visor clip are included along with instructions