Liftmaster 915LM Wireless Garage Door Opener Remote Monitor - Smart Home Security System for Garage Doors - Perfect for Homeowners & Renters

Product Description

Tells you if your garage door is open or closed. Security for the largest door to your home. Great convenience and peace-of-mind. Works with any garage door. Monitors up to 4 garage doors (with additional sensors - 916LM) When light flashes red, door is open Fast, easy installation; no tools needed Signals to any room in the home Monitor the status of your garage door from inside your home Need an Extra Sensor? Get the Liftmaster 916LM.