Features: 1. Human Presence Sensor; Static Human Presence Recognition, The Light Will Not Turn Off When A Person Is Present, 8-Meter Movement Sensor, 6-Meter Presence Sensor, 0~10 Meter Distance Adjustable, Someone Keeps Time From 0 Seconds To 8 Hours In Second Steps, Illumination Linkage 2. Built-In Millimeter Wave Human Presence Sensing And Light Sensing. It Is Suitable For Intelligent Linkage Of Lighting, Air Conditioning And Other Equipment In Living Rooms, Study Rooms, Bedrooms, Bathrooms, Hallways, Kitchens And Other Spaces! 3. Multiple Installation Methods, Flexible Installation 4. Static Human Presence Recognition, The Lights Will Not Go Out When The Person Is Present, And The Air Conditioner Will Continue To Turn On When The Person Is Present. 5. Millimeter Wave Radar Detection; Active Sensing Description: 1. Function: AC 85~220V Power Supply 2. Type: Smart Home Control System 3. Type: ZIGBEE Ceiling Model-5.8G Radar Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Requires Connection To The Graffiti Zigbee Gateway For The Product To Work Material: ABS colour: white Package Contents: 1 x Zigbee Human Presence Sensor 1 x Chinese and English instructions 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.