Touch Dimming and Brightness MemoryA sensitive switch, long press to adjust the brightness (10%~100%), short press to turn on and off. The rechargeable touch lamp can remember the brightness you set last time, you don't need to readjust every time. USB Charging and Energy SavingThe LED battery lamp uses USB charging, built-in large 3000mAh battery. Fully charged in just 3 hours. When fully charged, the candlestick can last up to 50 hours in the darkest mode and 20 hours in the brightest mode. [Size]: Length 12*W 12*H 5cm; Voltage: AC85v~265v; Power: 6W; Color: Black; Lamp bead: COB LED; Lumen: 400 1M; USB: 5V/2A Type-C charging; Weight: 0.4 kg; Color temperature: 3000k; Light source color: warm white. Two installation methods and portableThe built-in back magnet can be directly pasted on the metal surface, and it can also be fixed with a 3M adhesive iron plate. For non-metallic surfaces, the 3M adhesive is an upgraded type. Wireless and portable, suitable for anywhere, suitable for wardrobe, under cabinet, hallway, stairs, bathroom, bedroom, kitchen, nursery, car trunk, makeup mirror. Widely usedSimple wireless design, can be used freely in the living room. Perfect for bedrooms, wardrobes, hallways, closets, workshops, garages, stairs, corridors, storage, attics, kitchens, basements, refrigerators, RVs, caravans, campers, workbenches, workbenches and more.