Features: You can install the door sensor on the door and set the door sensor linkage infrared sensor to automatically turn off the air conditioner when the window is opened. With this product, ZigBee solution will be more stable than WIFI solution, and can connect with a lot of intelligent home device. More safe and easy to control intelligent device on the APP, gate-way transmission via ZigBee solution, will be more faster between gate-way and intelligent device. It is in small size, mini shape, stylish craft, can be any matching with the family style. This product is more stable to create a intelligent home system and can connect with a lot of intelligent home device. Easy to setup: it is easy to work with the intelligent home device, save your time and money. Specifications: Material: ABS Color: white USB port current input: 5V/1A Working temperature: -10& 8451;-55& 8451; Working humidity: 10%-90% RH Wireless protocol: ZigBee HA 3.0 wireless protocol Package size: 100 * 100 * 50mm / 3.9 * 3.9 * 2.0in Package weight: 60g / 2.1ounce Packing list: 1 * Gate-way