USB Charging & Energy-Saving LED battery lamp uses USB charging and has a built-in 3000mAh large battery. It only takes 3 hours to fully charge. When fully charged, the lamp can light up to 50 hours in the darkest mode and up to 20 hours in the brightest mode. Touch dimming and brightness memory are controlled by a sensitive switch. Long press can adjust the brightness (10%~100%), and short press can turn it on and off. And the rechargeable touch lamp remembers the last brightness you set, eliminating the need to adjust it every time. Size: L12 * W12 * H5 cm; Voltage: AC85v～265v; Power: 2*6W; White color; Lamp beads: COB LED; Lumen: 2*400lM; USB: 5V/2A Type-C charging; Color temperature: 3000k; Light source color: warm white. Easy to install and portable: The built-in magnet on the back can be directly attached to the metal surface. It also comes with a 3M self-adhesive iron plate. For use on non-metallic surfaces, the 3M adhesive is an upgraded type. Wireless and portable, it can be widely used anytime, anywhere. The simple wireless design can be freely used in living rooms. Suitable for bedrooms, wardrobes, hallways, cabinets, workshops, garages, stairs, corridors, storage rooms, attics, kitchens, basements, refrigerators, RVs, caravans, camping buses, workbenches, workbenches and more. Why choose us? 1. Sensitive touch control Just touch the button on the LED wall lamp to control on/off and brightness. 2. Strong magnetic suction. The self-adhesive base with magnetic base can automatically absorb the wall lamp. Free to install and disassemble, it can be freely converted into a wall lamp and flashlight. 3. Brightness memory The touch lamp can remember the brightness you set last time without having to adjust it every time. 4. USB rechargeable battery This wall lamp has a built-in 3000mAh USB rechargeable battery, which can be conveniently charged with a power bank, plug or laptop. 5. Eye-protective lighting The light is evenly distributed to protect your eyes and make you feel relaxed. 6. Energy saving: A full charge can last up to 50 hours of use in the darkest mode and 20 hours in the brightest mode. 7. Widely used: Suitable for bedrooms, bathrooms, under cabinets, wardrobes, cabinets, bookshelves, makeup mirrors, study lamps, etc. Package list: 1* Wall lamp 1* Self-adhesive base 1* Type-C data cable 1* User manual