2.8W 40 LEDs USB Intligent Human Body Sensor Light multicolour 1. It adopts advanced human body thermal infrared detection and sensing technology, which is different from traditional common technologies such as voice control, touch and button. It has high sensitivity, anti-interference, silent, fast response and long sensing distance. At the same time, it does not emit any type of radiation, the power consumption of the device is very small, and it is non-, which can ensure people health to the utmost extent, and avoid accidental infection of germs. 2. Built-in light sensing device, automatic recognition of day and night state, automatic standby during the day, induction light at night, energy saving and environmental protection. 3. User-friendly design, exquisite appearance, stylish and ultra-thin 4. Reasonable structural design, clever concealed fixing, no screws installed 5. Use high-efficiency white LED technology: high efficiency, power saving, long life, no radiation, energy saving, environmental protection, explosion-proof, cold lighting, suitable for various places 6. USB charging, convenient and fast 7. Sensing distance: within 3-5 meters 8. LED life: 50,000 hours or more 9. Sensing angle: 120 degrees 10. LED: 40 lamp beads 11. Brightness: 2.8W 12. Scope: Suitable for wardrobes, corridors, stairs, study, children rooms, garage doors, trunks, gardens, etc. 13. Size: 300x30x14mm 14. Weight: 185g