DescriptionThe NiteRiderA(R) Lumina(TM) Micro 900 is a smaller, lighter, and more compact version of the original Lumina(TM) series that still produces up to 900 brilliant lumens. Features900 lumens output5 modes (detailed below)Li-Ion batteryLow battery indicatorCompact and lightweightSpecs5 Modes and Run timesLow: 11 hours at 200 lumensMed: 4.5 hours at 450 lumensHigh: 2 hours at 900 lumensFlash: 11 hours at 900 lumensWalk: 60 hours at 30 lumensWhat's included?LED HeadlightInternal Li-Ion batteryHandlebar Mount fit up to 35mmUSB charging cable