LUCKLED Motion Sensor Light, Battery Powered LED Closet Night Light Stick-Anywhere Lighting for Hallway, Bathroom, Stairs, Bedroom - Pack of 4 (Cool White) Automatic Sensing: Auto on up to 10ft and Auto off 15 seconds of no sensing detected. Turns on automatically only when it's dark with motion sensor detected Super Bright LED Bulbs: Up to 20 Lumen output, 6 pcs super bright SMD 2835 LED; stays off during daylight hours Easy Installation: No wiring required, 3M adhesive pads, peel and stick to any surface. No tools, screws or nuts required Built-in Magnet: Built-in Magnetic Strip, sticks on any metal surface Battery Operated: Each piece requires 3 pcs AAA batteries (not included)