myQ Smart Garage Door Sensor Liftmaster 821LMC-SENSOR

Brand new never used. Liftmaster 821LMC-SENSOR Additional Door Sensor for Smart Garage Control, myQ Smart Garage, Hub and myQ Garage. Add control of your second garage door opener to Smart Garage Control, myQ Smart Garage Hub or myQ Garage. Secure, control and monitor your second garage door through the myQ app. Easy installation and programming. IMPORTANT: Requires purchase of the Smart Garage Control (Models: 821LMC and MYQ-G0401), or Smart Garage Hub 1st generation (Models: 821LM & MYQ-G0201) and 2nd generation (Models: 821LMB & MYQ-G0301). Each sold separately. Each Hub can control up to two garage door openers. myQ Compatibility