Cygolite Rover II LED Xtra Dual High-Brightness LED Bicycle Light Dual High-Brightness LED headlight as bright as a 25 watt halogen 6 modes: 4 brightness modes / 2 special modes including flashing & walking 3-stage battery level indicator and light setting indicators Cross-Fire Technology with highly focused lenses expands the field of vision 3.5 hour to 10 hour run time with compact water bottle battery and Rapid IQ smart charger (USA charger included for use in the USA only)