Chamberlain LiftMaster 387LM Universal Wireless Keypad
Wireless keypad, powered by one 9V battery (included)
Protective slide-up cover
Backlit Keypad: The buttons glow when you enter your code.
You choose the manufacturer and the frequency to open one garage door.
Works with: Genie, Linear/Moore-o-Matic, Stanely, Overhead Door, Wayne Dalton, Craftsman, Chamberlain & LiftMaster.
Compatible with the following frequencies: 300, 310, 315, 372 & 390 MHz.