The Simson USB LED light '' line '' Red is a USB rechargeable headlight with a plastic housing and rubber handlebar mount. The light is easily recharged true the USB port of the computer. The 20 LEDs provide a light output of 3 LUX. This headlight has an easy to use on/off push button with on, off, dimming and flashing function. Install the light with the rubber mounting strap without the use of tools on the handlebar. The light can then be easily snapped in and out of the retaining ring. Including USB 2.0 charging cable.