Cateye: 500 Lumen maximum outputOpticube lens technology for supreme light distributionRobust matt polycarbonate body with enhanced scratch resistanceFlexTight bracket ? suitable for bars up to 35mm diameter and selected aero bars2.5x greater Lumen output on Low mode compared to Volt 500XC, for increased versatility220% larger side lens for a significantly wider beam and enhanced side visibilityPower button illumination and red indicator @ 20% battery capacityRedesigned underside connection for easier removal from the FlexTight bracketDouble click to High mode, Single click returns to previous modeLight Mode MemoryRecharge time: 4hrs ( 1A ) ? 8hrs ( 0.5A )Battery: Li-Ion 3.6v 2200mAhWaterproof rating: IPX4Weight: 95g