Garage Door Alarm Sensor

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.

Garage door alarm sensor.

In garage door sensors. If you re anything like me then you have probabl. Prevents the garage door from closing onto people pets or objects. In garage door sensors.

Contact aka door sensors can be used for much more than just doors and windows if you re creative enough. Thinkis wifi door and window sensor smart security magnetic detector compatible with alexa. 4 2 out of 5 stars 61. As long as the beam isn t interrupted the door will open or close normally.

Fits any craftsman garage door opener manufactured after 1997. 5pcs mc 31 surface mount wired nc door contact sensor alarm magnetic reed switch white. Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side. This system allows them to detect obstructions like your car or a kid on a bike.

The sensors are normally about 4 inches above the ground. Whenever there is an obstruction the garage door will automatically reverse before causing any damage.