Upgrade daylight / night mode: the switch to turn on / off the photoelectric sensor. In daylight mode, lights can be activated all day long, while night mode can only be activated at night. Humanized design, convenient for various house lighting Motion-activated sensor light: -in PIR infrared motion detector, 120-degree detection angle. The motion-activated LED ceiling light comes on immediately when motion is detected at a distance of 20 feet (approximately 50.8 meters). 300 : Super , 80 and long-life SMD2835 LEDs. It spreads in all directions and covers a wider area, 300 feet. The lampshade is designed to soften the light, and it doesn't make your eyes feel uncomfortable even if you suddenly wake up at night. your lover and children from darkness and fear Energy-saving battery-powered lights: 4 D-type batteries (not included) Our high-quality LEDs do not need to be replaced. Very efficient; with a battery, you get more than 6 months of light. Tips: We stick a blue film on the silver part to keep it clean. You can remove the blue protective film before . Easy to install and versatile: no wires required, quick and easy installation in 5 minutes. Wireless LED ceiling lights are perfect for lighting closets, coffee , stairwells, shed porches and rooms specification: 1. Sensitivity: about 5-8 meters distance 2. Sensor range: about 120 degrees 3. Number of LEDs: 80 LED 4. Light color: white 5. Delay time: 20S 6. LED life: 50,000 hours 7. Size: 19 * 19 * 6.5cm / 7.5 * 7.5 * 2.6 inch 8. Material: ABS 9. Color: White 10. Battery required: 4 D-type batteries (not included) Installation Notes: 1. Turn the back plate of the lamp counterclockwise to open it. 2. Easily up the fixed plug on the back cover, and turnthe lamp back cover clockwise to open. 3. the included mounting hardware to mount the backplane on a wall, ceiling, or anywhere you want. 4. Insert the battery into the battery container of the lamp 5. Turn the lamp body clockwise and fasten it with the back cover. Package Contents: 1 * induction ceiling light 1 * mounting kit (contains 4 pairs of screw sockets) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.