Install multiple sensors at different locations at the door, kitchen, bedroom, etc. at the same time. When you open the door, the living room light automatically turn on; when you leave the kitchen, the kitchen socket automatically cut off; when you wake up at night, the desk lamp automatically turn on... through linkage Other smart home devices, wherever you go, smart life can follow. The 120° super large detection angle can sense the movement of the human body within 5 meters, and quietly record every passing moment. The pyroelectric infrared sensor is adopted, which has the advantages of high sensitivity and anti-interference. When the device perceives human movement within the detection range, it transmit the information to the cloud through the gateway, and you can receive real-time alarm pushes on the App. wherever you are, and you be in control of the movement. The product is the size of a -pong ball. Comes with a 360-rotating mounting base, which can be placed horizontally, upside down and vertically, and choose the appropriate installation method and location according to the different home environment.