828LM Liftmaster Garage Door Internet Gateway
For use with Liftmaster, Chamberlain, Craftsman and some Raynor garage door openers
revolutionary new accessory features built-in MyQ® technology that
connects to the Internet and allows you to monitor and operate your
garage door opener or gate operator, or turn on or off lights in or
around your home, from anywhere in the world by using your smartphone or
computer. It utilizes a two-way communication system that puts freedom
and control in your hands.