Philips Hue 570977 Hue Motion Sensor, White

From the manufacturer

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
The Philips Hue Motion Sensor can be placed freely for an optimal detection area, or mounted to a wall using screws (included). The device is battery powered, wireless and installation free (no re-wiring required) to control your lights without hassle
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
Install in a minute. Simply follow the instructions in the Philips Hue app. Our smart lights default settings get you going, or personalize these settings to fit your needs