Cygolite TridenX LED NiMH Triple High-Brightness LED Bicycle Light Triple High-Brightness LED headlight as bright as HID 8 modes: 4 brightness modes / 4 special modes including flashing & SOS 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 12 hour run time with frame mount battery and Rapid IQ smart charger