Contact sensors come in two parts namely the sensor box and a magnet.
How to attach an alarm door sensor to garage door.
One part should be mounted on the door or window the other on the trim but it doesn t matter which one goes where.
There are two types of door alarms i e contact and tilt.
1 push the safety sensor with attached carriage bolt.
You will need the myq serial number for the garage door controller.
The sensor box typically goes onto the garage doorframe.
Garage door alarm sensors are for security purposes.
How contact sensors work.
The contact sensor is made up of two parts the sensor and the magnet.
1st generation the sensor and magnet should be no more than 1 2 apart.
The idea is to connect them to an existing alarm system.