This wireless wall light features a 4000mAh USB rechargeable battery, delivering up to 8-9 hours of continuous lighting. The innovative magnetic embedded design allows for effortless battery removal for charging, eliminating the need to disassemble the lamp. Simply snap it back into place once charged, ensuring hassle-free operation. This LED art wall lamp lets you create the perfect ambiance with adjustable brightness levels ranging from 10% to 100%. Choose between three colour temperatures to enhance both the aesthetic and functionality of any room. Tailor your lighting experience to suit your mood or activity effortlessly. This cordless wall light also combines memory and timing functions, once you set the desired brightness and temperature, our USB wall light will remember your preferences for future use. Perfect for reading or as a soothing night light, you can also set the timer to improve energy efficiency while meeting your daily lighting needs. Harper Living Battery Operated Wall Light, USB Rechargeable Wall Lamp, Modern Swirl Arm-2 pack in Black