Motion Sensor Light combines light sensor and motion sensor. In ''AUTO'' Mode, in the dark environment, it will light up once detecting movement within 10ft and Auto-off after about 20 seconds if no motion is detected., The night light is USB C rechargeable powered. No wire is needed & no battery replacement. A full charge supports 30 days in automatic mode (Note: 8 triggers per day, 30 seconds each time). Power saving and worry-free choice., Motion wireless night light has 3 intelligent modes, ON - AUTO - OFF, slide the button to 'ON' to enter the long light mode, when the button slides to 'OFF', turn off the light, and the button slides to 'AUTO' to enter the sensor mode., The Motion sensor light has 2 installation ways. It can be directly attached to any ironwork surface with the built-in magnet, or stick the double-sided tape on the iron sheet to stick on any surface., 3-pack lights can be used in the bathroom, kitchen, stairs, hallway, and other places. (Note: They only can be turned on in darkness environment when the light is in Auto Mode. It won't turn on if the light sensor has been detected by enough light.),