RECHARGEABLE PORTABLE.Built-in USB port and a 400mA rechargeable battery,easy to take off and charge,high-grade energy-saving technology effectively lengthen the working hours up to 5 hrs without recharge.Light weight and small size3.9"X3.9"X0.8"makeit very convenient to carry. 3 LIGHTING MODE.USB Interior led reading light has 3 lighting color modes to change,including amber yellow,ice blue and warm white;Fast press to turn on/off the light;Press 3 seconds to change lighting color. WIDE APPLICATION.Upgraded version LED car light is particularly suitable for car dome,car trunk,wardrobe,cabinet,corridor,bedroom,bathroom,hallway, wall,camping,etc. SIMPLE INSTALLATION.Wireless design,come with double-sided tape adhesive,built-in magnet to iron surface,stick the iron surface and install the light anywhere by magnetic absorbing.Pls follw our picture to install it. IDEAL LIGHTING.Made with upgraded 2835SMD chips and 400 lumen brightness,LED night light provides the right amount of glare-free lighting,especially in the dark environment.