💡 Light Up Your Life, Hands-Free! Blends into any decor effortlessly. Install in minutes, enjoy for years. Enter and exit without lifting a finger! Lights off when you leave, savings on your bill. Position it anywhere—no wires, no worries. Compact Size Battery Powered Easy Installation The Philips 464602 Hue Motion Sensor is a battery-powered, wireless device that automatically turns on your lights when you enter a room and off when you leave. Weighing just 136g and featuring a compact design, it can be easily mounted or placed anywhere, making it a versatile addition to your smart home setup.