NiteRider Sentinel 250 Taillight

Powerful 250 lumen LED with 2 light levels, 2 flash modes, plus 3 laser lane modes, including Daylight Visible Flash. Laser Lanes project ultra-bright lasers on the ground, giving the rider a virtual lane Custom reflector provides maximum rider visibility even in daylight Low battery status indicator Easy on and off seatpost strap mount with quick release tab USB Charge Run Time: Up to 35 hours Weight: 116g