Motion DeteTrigger to turn on smart lights to welcome you homection, Automate your staircase lighting, Senseless trigger night lights. Combining Convenience And Energy Conservation Customize Detection Duration Automatically turn off the lights when you leave, the shortest time can reach 5 seconds. Smart Environment Light Detection When detecting movement, intelligently determine whether the ambient brightness is dim or bright, allowing you to have more flexibility in deciding whether to turn on the lights. Local Scene Intelligent Linkage Even if your WiFi network crashes, you can still activate Zigbee local scenes as long as your Zigbee devices are powered on. Lower latency, higher reliability. Explore More Possibilities Based on App Third- platform function, supporting for Alexa, Home, , and IFTTT. Wireless connection:Zigbee 3.0 Detection range:6m(20ft), 110 Battery model:CR2477(3V) Working temperature:-10 - 60 Working humidity:5-95%RH, non-condensing Quantity:2Pcs Colour:White Material:PC Package Contents: 2 * Motion Sensor Kit 1 * Multi-language instruction manual 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.