OVERVIEW: Add the ability to monitor, open and close a second garage door opener with myQ Smart Garage Hub The myQ Smart Garage Hub is limited to two garage door openers Installation and programming is easy: Mount to inside top panel of garage door and add to your existing myQ account through the myQ app Important: This product only works with the new myQ Smart Garage Hub (MYQ-G0301 and 821LMB (sold separately) Not compatible with myQ Garage models (MYQ-G0201 and 821LM)