Sears Craftsman 139.53681 Remote is Equivalent to the 973LM,Sears Craftsman,CECOMINOD019545" /> Equivalent to the Sears Craftsman 139 model number listed above Security Plus remote that is compatible with models manufactured from 1997- present Operates on a 390 MHZ Frequency, and has over 100 billion codes with code rotating technology A visor clip and Lithium battery are included, along with instructions Compatible with ALL Security+ systems