The usb rechargeable volt100 headlight features a 100 lumen output and three modes high low and flashing handlebar and helmet mountable the volt100 is compact and easy to remove from the bracket so you can take it off at your destination and stash it away until the ride homethe smartly designed bezel provides excellent side visibility the volt100 designed for urban riding the new standard in urban bike lighting the usb rechargeable volt 100 delivers a constant 100 lumen output to see by a