Motion Sensor LightBuilt-in PIR infrared motion sensor, this LED ceiling light turns on instantly when it detects motion up to 18ft away in dark ambient. And it will automatically power off after 20 seconds when no motion is detected, which saves battery life Two modes available There is a switch near the sensor movement, slide the switch to turn on/off the photocell sensor. When it is on, the light will stay off during the day and can only be driven at night; when off, the light can be motivated all day long Battery operated night lightPowered by 4 D-cell alkaline batteries (battery not included), it can light up on 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 LightBuilt-in 118pcs bright and long-lasting SMD2835 LEDs. It casts well in all directions with up to 300 lumens brightness to ensure you never stumble in the dark, protect your lover and kids from darkness and fear around the house Easy to Install & Wide Application No wiring needed, quickly and easily install within 5 minutes. Suitable for your bedroom, bathroom, stairs, hallway, workshop, basement, driveways, roof, entryway. Do not leave the lights on to increase the electricity bill unnecessarily