Motion Sensor Light: Built-in PIR infrared motion sensor, this LED ceiling light will instantly turn on when it detects motion up to 18 feet away in a dark environment. And it will automatically turn off after 20 seconds when no motion is detected, saving battery life. Two Modes Available: There is a switch near the motion sensor, slide the switch to turn on/off the photocell sensor. When it is on, the light will remain off during the day and can only be energized at night; when it is off, the light can be energized all day. Battery Operated Night Light: Powered by 4 D-cell alkaline batteries (battery not included), it can illuminate an area of 300spft. The battery can provide up to 6 months of lighting with an average use of 20 activations per day. Super Bright Hallway Light: Built-in 118 pieces bright and durable SMD2835 LEDs. It diffuses well in all directions with a brightness of up to 300 lumens to ensure you never stumble in the dark, protect your lover and children from darkness and fear around the house. Easy to Install and Wide Application: No wiring required, install it quickly and easily in less than 5 minutes. Suitable for your bedroom, bathroom, stairs, hallway, workshop, basement, garage entrances, roof, entryway. No longer leave the lights on to increase the electricity bill unnecessarily.