The Simson USB Headlight "Future" is a powerful rechargeable headlight with a plastic housing and handlebar holder. The lamp is easily recharged true the USB port of the computer. The LED light creates a very strong beam of 30 LUX! This headlight has an easy to use on/off push button with, dimming and flashing function. Install the lamp with the screw cap, without the use of tools, using the mounting ring on the handlebar. The light can then be easily snapped in and out of the retaining ring. Including USB 2.0 charging cable.