PDW COMBO PATHFINDER/IO USB BLACKLight use commuter or recreational light set perfect for paved paths and walking trails Head light: Vertical Cutoff Beam focuses the 200 lumen CREE LED on the road ahead not in peoples faces 4 Modes: Steady low (4 hours), Steady high (2 hours), Pulse (8 hours), Daytime Flash (25 hours) For daytime riding, the Daytime Running Flash is bright enough to make you seen even on the brightest days Micro USB charging cord included; 3 hour charging cycle Easy