1. Mini LED night light, good for camping, desktop lighting. 2. Use of environmentally friendly lead-free processes. 3. Compatible with all standard USB device, power bank, mobile charger, computer, laptop. 4. Slim size, it wont take up much space in your laptop case, and is perfect for illuminating your keyboard. 5. Three brightness adjustments: highlight, general brightness, burst flash 6. Voltage: 5V

http://olla.gr/52cm-70w-900lm-usb-emergency-light-led-strip-bar-light-three-levels-of-brightness-adjustment-white-light/