3-button keychain remote control designed for LiftMaster garage door openers operating at 315 MHz frequency. The 370LM model features compact, portable design ideal for convenient access to your garage door system. Compatible with LiftMaster garage door openers that support 315 MHz remotes. Three programmable buttons allow control of multiple garage door functions. Durable construction built to withstand regular use and outdoor conditions. Easy to carry on a keychain for quick, reliable operation. Requires standard batteries for operation. Perfect replacement or additional remote for households with multiple users or vehicles.