Garage Door Alarm Sensor

Prevents the garage door from closing onto people pets or objects.

Garage door alarm sensor.

The sensors are normally about 4 inches above the ground. 2 safety sensors easy to install mounting brackets 3 ft extension wire and connectors. In garage door sensors. If you re anything like me then you have probabl.

The infrared beam from the garage door opener sensors isn t able to be seen by human eyes. This system allows them to detect obstructions like your car or a kid on a bike. Fits any craftsman garage door opener manufactured after 1997. Whenever there is an obstruction the garage door will automatically reverse before causing any damage.

The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers. As long as the beam isn t interrupted the door will open or close normally. 5pcs mc 31 surface mount wired nc door contact sensor alarm magnetic reed switch white. Chamberlain liftmaster craftsman garage door opener replacement safety sensors g801cb p includes 2 sensors mounting brackets and hardware 4 7 out of 5 stars 1 669 38 99 38.

Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side. 4 2 out of 5 stars 61.