Check the listing for details. 877Max Wireless Garage Door Keypad Entry System Compatible With All Liftmaster. Color: Gray, Condition: Open box. Listed at 25.00 USD. Upgrade your garage door with the 877Max Wireless Garage Door Keypad Entry System, compatible with all Liftmaster models. This battery-operated flipper is perfect for those who want a convenient and secure way to open their garage door. The 315 or 390 MHz frequency ensures a smooth and reliable operation, while the illuminated buttons make it easy to use during low-light conditions. This gray-colored keypad is designed for Wi-Fi smart home protocol and comes with a battery included. The manufacturer warranty may not be available, but with its reliable performance and easy compatibility with Liftmaster models, this keypad is a great addition to any garage door. You can set up temporary codes for relatives, house sitters, etc.