Features:Emergency Alert Push FunctionWhen there is movement detected, the alert notifications will be pushed to your phone, be aware of what& 039;s happening at home even when you& 039;re away.History Records TrackingThe hemispherical design makes the detection angle larger, supporting 135 large range and the diameter of 10 meters/32.8ft effective distance for human detection, so that thieves have nowhere to hide.ZigBee ProtocolIt uses the widely used ZigBee connection mode in the market, it can connect with other devices of the same type, such as, smart lights and smart security camerasBattery PoweredBuilt-in one button battery, it can stand by for one year normally, energy saving and environmental protection. When using, it needs to be used with a gateway (fit for ZigBee)Easy to UseThe size of the product is 3.3x2.6cm/1.3x1inch, you can install it on the desk, bedside table, office work or wall and other flat places through the adhesive sticker (included). No wiring.Specifications:Material: ABSColor: WhiteSize: (Approx)(LxW) 3.3x2.6cm/1.3x1inchPower by: 1 x button battery (included)Wireless Protocol: Zigbee 3.0Induction range: 135Sensing distance: 10m/32.8ftStandby current: 12uAWorking voltage: 3VStandby time: 12 monthsWorking temperature: -1055Working humidity: 0%99%RHWireless distance: 100m/328ft (open distance)Package Included:1 x Wireless Motion sensor1 x Adhesive sticker1 x ManualNote:1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.