Door and window sensors

Will these work for a garage door? Is a camera needed in the immediate area for this sensor to work? What is the best way to install the sensor on a garage door?

I have one on a garage door, my setup is just one part of the sensor stuck to the door and the other stuck to a strap so it falls away when the door goes up. People have come up with some ingenious ways to do it if you search the forums.

As far as how far away a cam can be it depends on what you are going through, the bridge for mine is about 50 ft away and goes through a few walls.


My garage door is 100% reliable, but I had to change a couple things for that to happen:


Thank you for the ideas