Garage Door Monitor

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.

  • Works with any garage door
  • Monitors up to 4 garage doors (with additional sensors – CLDM2)
  • When light flashes red, door is open


Garage Door Monitor – Extra Sensor

This additional sensor for the Chamberlain® Garage Door Monitor is used for homes with multiple garage doors. It mounts on the garage door and signals the receiver inside the house. The unit is battery powered (included) and requires the Garage Door Monitor (CLDM1) receiver to operate.