Cygo Lite Hotshot Pro 150 Rechargeable Tail Light 150 lumen flash output Run time: 2 to 210h Micro 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 alerts those around you with a slow and gradual change in brightness Enhanced Cycling Optics provide extra wide and long range coverage Low battery indicator for power awareness Light mode memory…