The volt800 has quickly become the go to light at cateye now that more rides happen after the sun goes down perfect for commuting or training the volt800 strikes the perfect balance between minimalism and functionality featuring 5 modes a usb rechargeable li ion cartridge battery and runtimes from 2 to 80 hours in a sleek compact body the volt800 will become your favourite riding partner too specifications double click to high mode single click returns to the previous mode 5 modes