? 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 size?3.9"X3.9"X0.8"?make it very convenient to carry. ? 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. Please follow 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.