Key Features:500 Lumen maximum output,Opticube lens technology for supreme light distribution,Robust matt polycarbonate body with enhanced scratch resistance,FlexTight bracket – suitable for bars up to 35mm diameter and selected aero bars,2.5x greater Lumen output on Low mode compared to Volt 500XC, for increased versatility,220% larger side lens for a significantly wider beam and enhanced side visibility,Power button illumination and red indicator @ 20% battery capacity,Redesigned underside connection for easier removal from the FlexTight bracket,Double click to High mode, Single click returns to previous mode,Light Mode Memory,Recharge time: 4hrs ( 1A ) – 8hrs ( 0.5A ),Battery: Li-Ion 3.6v 2200mAh,Waterproof rating: IPX4,Weight: 95g.