The GUK-R is a universal wireless keypad compatible with all major garage door opener brands, including LiftMaster, Chamberlain, Craftsman, and more. Large back-lit buttons enable quick PIN entry, and the keypad operates up to 3 garage doors regardless of brand. Installation takes minutes with included screws and a flip cover for protection. Set temporary PINs for neighbors or service workers, and the keypad works with rolling code and fixed code dip switch products manufactured since 1993 with working safety sensors.