PCB Material, Metal, Plastic, Electronic Parts. Ultra-thin Portable USB light Reading light Keyboard LED Light.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 off. Feature - Color: As Shown. - Material: Plastic+PC+Copper. - Size: 2 x 0.6 x 0.2cm. - Power: 0.2W. - Practical: This mini usb led light is with a ultra small size and light weight, easy to carry to carry out. The LED lamp has two 3 white small LED bulbs, low power consumption but with supper bright light outlet. User-friendly Keychain Design: The night light is equipped with a hole for keychain, can be attached to your key or a lanyard. - Environment-friendly USB 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 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 Xmas gift, 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. Package list: 5 Mini Size USB Power Light