Battery Powered: Powered by 4 AA batteries, can provide 6 months of light with average use of 8-10 activations per day. Motion-activated, auto-off, and a light sensor help extend battery life. Light-sensor and motion-activated: turn the switch to AUTO, the light will be in motion activated mode. Built-in PIR infrared, it will turn on automatically when you approach it, and turn off automatically after 20 seconds without motion detection. Constant light: turn the switch to ON, the light will always be on. Turn the switch to OFF, it will turn off. The LED ceiling light provides 90 lumens of bright light for dark areas to ensure you never stumble in the dark. Wide Application: Built-in 48 LEDs, perfect 3000K motion sensor LED ceiling light for closet, stairs, hallway, basement, shed, pantry, under cabinet, counter, hallway, shower, bathroom, hall, etc. Easy to install: no wires required, easy to install, provides you with lighting in areas that have limited or no access to electricity. Install the battery operated motion sensor ceiling light anywhere in the house without an electrician. Note: This light can only be turned on in dark environment. It will not turn on if the light sensor has detected enough light.