NEW Chamberlain Garage Door Monitor

Garage door monitor with sensor Indicates whether garage door is open or closed Eliminates unnecessary trips to the garage and prevents theft Fast installation--no tools required 8 by 8.5 by 3.5 inches Description No more getting out of bed and stumbling downstairs to check if the garage door is closed. The Chamberlain Garage Door Monitor tells you if your garage door is open or closed from any room in your home. That's convenient, dependable security - and peace-of-mind - for the largest door to your home Please check my listings for more items! 😊