Features:

1- The Philips Hue Smart Motion Sensor combines convenience and energy effeciency. Have your lights turn on when you walk into a room, and off when you leave. The Smart sensor detects optimum daylight levels to conserve energy during the day
2- During the night the Philips Hue Motion Sensor will switch to smart night light settings: a gentle, warm light setting to help you navigate during the night without disturbing your rest
3- Place anywhere in your home including your hallway, bathroom, kitchen, and more. The integrated light sensor saves energy by detecting when rooms are vacant and automatically turning off lights
4- The Philips Hue motion sensor requires a Philips Hue bridge to make it part of your smart home lighting system. The Philips Hue system can control up to 50 smart lights
5- When you use the Philips Hue motion sensor with a Philips Hue bridge, you can use it to control any HomeKit compatible appliance