Liftmaster Chamberlain 387lm Wireless Keypad
The LIFTMASTER Universal Wireless Keyless Entry System 387LM is easy to install on the outside of your garage door with 2 simple screws and allows you to control your garage door or gate without a remote or keys. It has a convenient back lit keypad and a weather proof slide up cover. It works on frequencies of 300,310,315,372 and 390 Mhz. This opener is compatible with most major brands of garage door openers. It comes with a 9V battery.