The KLIK3U-BK2 is a universal garage door opener remote with two buttons for independent control of two different garage door openers. Compatible with over 90% of North American garage door openers including Chamberlain, LiftMaster, Craftsman, and Genie brands, it also works with gate operators and MyQ Light Accessories. Features universal wireless programming for tool-free installation without garage wiring or receiver installation. Operating range reaches 800 feet. Dimensions: 0.72 in. (D) x 3.20 in. (H) x 2.04 in. (W).