Description/Features: Smart Human Presence Detection: Equipped with advanced Bluetooth technology, this sensor detects both movement and stillness, directly controlling connected lights for optimal energy efficiency. Lights turn on when presence is detected and off when areas are unoccupied, ensuring energy savings. Enhanced Privacy with 24G Mmwave Radar: Featuring cutting-edge 24G millimeter wave radar, this sensor captures even the slightest movements without the need for a camera, safeguarding your privacy. Ideal for maintaining illumination in static situations like reading without compromising security. Effortless Installation & Broad Coverage: Designed for simple ceiling embedding, the sensor offers a substantial detection range up to 6 meters with a maximum installation height of 3 meters. Avoid placement near dynamic objects such as curtains to prevent false alarms. Specifications: Power Supply: AC 95~250V 50/60Hz Max Output Current: 2A Detect Angle: 120 Radar Frequency: 24GHz Working Temperature: -10 ~ 60 (14F~140F) Working Humidity: 1% ~ 85%RH(Non-condensing) Max Detection Distance: 6M Status Indicator: One LED light Bluetooth Version: Bluetooth 5.0 Wireless Distance: 45M Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: White Material: ABS Specifications: Ceiling B Package Contents: 1 x Human Presence Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.