* 100 lumen flash output * Run time: 2:30 to 270h* Mini USB rechargeable* OSP® technology lets you maximize your visibility by adjusting the flash speed or brightness* 6 lighting modes: Steady – Zoom - Triple Flash – Single Flash - Random - SteadyPulse™ * SteadyPulse™ mode alerts motorists with attention-grabbing pulses while constant beam helps gauge their distance* Pedestrian friendly Zoom mode signals those around you with a gentle change in brightness * Low battery indicator for power awareness* Light mode memory recalls last mode used* Water resistant design for all riding conditions* Seatpost and seat stay mounts included* Lightweight 59 g