Bright, highly visible and 100% waterproof, Knog's Blinder Mini Square Rear Light is a superb cycle rear light that produces 30 lumens of illumination for up to 12 hours. It has several modes to adapt to all weather conditions at any time of the day and is compatible with standard and aero seatpost profiles. And, it is USB rechargeable with no cable required to charge.
USB rechargeable (no cables required)
LiPo battery technology
12 hours of maximum autonomy
Fits Standard Round and Aero seatposts