We're sorry, this item is not available in your selected club.
Select a club for price and availability
Chamberlain® 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.