The backlit keypad provides visibility in any light to allow entry via a personal four-digit code. Set up in seconds with easy-to-follow wireless programming and universal frequency recognition of over 90% of all garage door openers installed in North America, including major brands such as Chamberlain, LiftMaster, Craftsman, Genie and many more. A ideal fit for active lifestyles, this keypad is a great complement to a traditional visor and/or compact personal remote. Includes 9V battery and instruction manual.