The 972LM / 92LM is a 2-button visor remote control designed for garage door openers manufactured from 1997 to present. It operates on 390MHz frequency with over 100 billion rolling codes for enhanced security. The remote is compatible with all Security+ systems, including Chamberlain, Sears, Craftsman, and Raynor residential openers. Includes a visor clip mount and lithium battery with approximately 5 years of battery life under normal use.