Connect this Philips Hue motion sensor to your Philips Hue bridge (not included) to create a smart home lighting system. It turns on the light when you enter a room and shuts it off when no motion is detected to keep your energy bills down. The wireless design of this Philips Hue motion sensor makes it simple to install.
Compatible with Philips Hue system, Apple's HomeKit and Amazon Alexa; meets ZigBee protocol; integrated daylight sensor; battery powered
Hue Motion Sensor
Philips - Hue Motion Sensor - White's More Specifications