Presence Detection: Based on 5.8GHz microwave radar, it detects movementor stationary person. automatically turns on the lights when you approach and keeps the lights on leave, allowing the lights to accompany you at all times. Bring Light Only When Needed: The built-in light detector ensures that the lights are only turned on when presence is detected in the dark, helping you save energy. Personalize Your Sensoras You Want: Keep the office lights on when leaving briefly, and automatically turn them off after being absent for 5 minutes. Local Scene Intelligent Linkage: Even if your network is down, you can still trigger Zigbee local scene. Explore More Possibilities: Based on for App platform function, supporting for Alexa, Google Home , and IFTTT. Add to Home Assistant: Easily add to Home Assistant for your home automation through ZHA or Zigbee2MQTT. Material: plastic colour: white 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.