RechargeableWith built-in 2000mAh battery, this light provides long battery life, and you dont need to change batteries. Just use a 5V USB for fast charging. VersatileWith the built-in rechargeable lithium battery, the light can be used anywhere you need it, such as bedrooms , cabinets, closets, workshops, garages, stairs, hallways, storage room, attic, kitchen, basement, refrigerator etc. Easy InstallationThere is a built-in magnet on the back of Lamp. Without screws or drilling, you can fix it on metal surfaces directly. About non-metallic surfaces, you can rely on the self-adhesive magnetic pads provided. 2 Touch Sensors and 5 Lighting ColorsThe lamp has two touch sensors on the side. You can turn it on or off with just one touch. If you short press the touch sensor, you can change the lighting colors as you need. Adjustable BrightnessLong press the touch sensor (3 seconds), you can adjust the brightness. continuous light intensity. It is a pleasant light t illuminates the environment well and does not dazzle. It allows you to use in all circumstances, eg. reading light, emergency light, etc. ",