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 (5 years life w/ normal use) are included, along with instructions;Compatible with ALL Security+ systems

• Sears Craftsman 139.53673SRT3 Remote is Equivalent to the 971LM

Sears Craftsman 139.53673SRT3 Remote is Equivalent to the 971LMSears Craftsman