The 956EVC-P2 is a 3-button keychain remote for Chamberlain, LiftMaster, and Craftsman garage door openers. Each button can be programmed independently to control up to three different garage door opener brands, gate operators, MyQ light accessories, or commercial door operators. This compact remote features a 1,500 ft. operating range and Security+2.0 encryption to protect against unauthorized access. Wireless programming allows quick setup without garage wiring or receiver installation. Dimensions: 0.50 in. (D) x 2.49 in. (H) x 1.33 in. (W). The keychain design makes it convenient for portability and attachment to keys, backpacks, or other items.