3 channel/button transmitter, compatible with models manufactured from 1997-present;390 MHZ Frequency, over 100 billion codes with code rotating technology (Security+);Compatible with ALL Security+ systems, including Chamberlain, Sears Craftsman;Visor clip and Lithium battery (5 years life w/normal use) included;Compatible with ALL 390MHz Security+ systems, including Chamberlain, Sears Craftsman

• Liftmaster 973LM Three-Button Remote Control
• Blue

Liftmaster 973LM Three-Button Remote ControlLiftmaster