Fibaro 857934005119 Modern Door/Window Sensor, Miniature, White Door sensor can detect closing and opening of any door/window or garage door openings. Door Sensor can also be paired with DS18B20 to input temperature sensor. The Door / Window Sensor has a unique feature in which it can automatically trigger pre-programmed scenes. (may require compatible controller) The Door/Window Sensor is extremely compact and is the smallest unit of this type available on the market. Its extremely lightweight and thin design makes it almost invisible on any door/window. The Fibaro Door / Window Sensor is available in seven colors. Select the best color match to your home interior designs and enjoy the undisturbed beauty, security and comfort. Z-Wave Certifed Sensor: Cert ID: ZC08-14070006/ Frequency Region: U.S./Canada/Mexico, Z-Wave Library Version: 4.55.06