Made of PCB Material, Metal, Plastic, Electronic Parts. Ultra-thin Portable USB light, just need to plug it in USB port-whatever powerbank, USB charger, laptop. Please note that this USB light is very bright and will generate little heating after working for long time, it's normal.Just take care when you it off. Feature - Color: As Shown. - Light Color: White. - Material: Plastic+PC+Copper. - Size: 4.3 x 1.8 x 0.8cm. - Lamp beads: LED5730*2 - Input voltage: 3V-7V - Rated power: 1. - - Luminous angle: 360 degrees - Portable: Small size and light weight, easy to carry out. The LED lamp equipped with two high light small size LED bulbs, low power consumption but with supper bright light outlet. - Keychain Design: The night light is equipped with a hole for keychain, can be attached to your key or a lanyard. - Environment-friendly USB Powerd Design: This USB light has a USB connector. You can easily get light from anywhere with USB port (especially for your unused USB Smart phone charger). - Wide Application: The led lamp light can be widely applied to anywhere you need an extra light, such as laptop keyboard light, night light, emergency light, camping lighting. The LED light is an choice for present, home decoration, kids room lighting. - Warm Tips: Please note that the USB nightlight is not dimmable and will generate little heating after working for long time. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 6 x Mini Size USB Light