Feature: 1. 360° omni‑directional detection, infrared, 360° omni‑directional detection, no dead angle, mounted on ceiling, compact body, not easy to be found, and does not affect the the style of your house. 2. Real‑time remote monitoring, no matter where you are, as long as PIR detects that someone or an animal is moving, you will be notified via your smartphone. Always keep the house safe. 3. Control the security situation at home through the mobile phone APP, let you grasp the security situation at home anytime, anywhere, and travel with confidence. 4. Tuya wifi PIR human motion detector can be used with other products that support for Tuya function. It is easy to operate and does not require a hub. Simply download for TuyaSmart application on your phone. 5. Long standby time, powered by 2pcs 1.5V batteries (not included), which can last 3‑6 months. Specification: Item Type: PIR Motion Detector Material: ABS Plastic Color: WhiteBattery: DC 3V LR03 x 2 (NOT included) Standby Current: 75uA Alarm Current: 60mA Detection Distance: Approx. 6m/19.7ft Sensing Angle: 360° ceiling installation Wireless Type: 2.4GHz Protocol: IEEE 802.11b/g/n Installation: Ceiling/Wall Mounted Working Temperature: -10-50℃ Working Humidity: Up to 95%RH Size: Approx. 61x61x34mm/2.4x2.4x1.3in. Package List: 1 x PIR Motion Detector1 x Adhesive Tape1 x Mounting Accessory Pack1 x Manual