Fibaro Door/Window Sensor - Valkoinen - for Apple HomeKit

The door / window sensor is a battery powered reed sensor. The sensor expands the capabilities of the system by monitoring the opening of doors, windows and garage doors. It is used in automatic light control, access control and property protection systems. Installation of the door / window sensor in your home increases the safety and comfort of its inhabitants. It also eliminates the risk of high fees for heating or air conditioning.