The Universal Garage Door Opener Keypad is a gray, battery-operated remote designed for LiftMaster, Chamberlain, Craftsman, and Wayne garage door openers. It has an operating range of 100 ft and is compatible with model 877LM. The keypad includes illuminated buttons and operates on a frequency of 315 MHz, making it compatible with LiftMaster smart home technology. This custom bundle includes batteries and comes with a 6-month manufacturer warranty. Its PVC material ensures durability, and the remote is ideal for those looking for a universal solution for their garage door opener needs.