Fibaro FGK-101 ZW5 Z-Wave Plus Door/Window Sensor, White Detect closing and opening of any door, window or garage doors. It can also be paired with DS18B20 to input temperature sensor. Automatically trigger pre-programmed scenes when the sensor detects opening/closing. (may require compatible controller) Smallest unit of this type available on the market. Its extremely lightweight and thin design makes it almost invisible on any door/window. Available in seven colors. Select the best color match to your home interior designs and enjoy the undisturbed beauty, security and comfort. Z-Wave Plus Certified Sensor with enhanced features such as longer battery life and better range: ZC10-16025002