Garage Door Alarm Sensor

Fits any craftsman garage door opener manufactured after 1997.

Garage door alarm sensor.

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. 2 safety sensors easy to install mounting brackets 3 ft extension wire and connectors. Prevents the garage door from closing onto people pets or objects. Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side.

Whenever there is an obstruction the garage door will automatically reverse before causing any damage. 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.

As long as the beam isn t interrupted the door will open or close normally. 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. Contact aka door sensors can be used for much more than just doors and windows if you re creative enough. In garage door sensors.

In garage door sensors. The sensors are normally about 4 inches above the ground.