The Genuine Chamberlain 940d-01 Garage Opener Keypad is a battery-operated keypad designed for Chamberlain garage openers. With an operating range of 260 feet, this beige-colored keypad is 6 inches tall and 1.2 inches deep. It does not have any smart home compatibility or protocol features, but it is specifically designed for Chamberlain brand garage openers. The manufacturer warranty for this keypad is currently unknown.