* Maximum output of 220 lumens / Runtime of 20 hours in flashing mode (Front)* Maximum output of 10 lumens / Runtime of 20 hours in flashing mode (Rear)* 400 mAh battery* Very remarkable daytime flashing mode* Integrated USB key for cable-free charging* Clip-on or strap mounting options* Wide-angle optics for 270° visibility for maximum safety* Rear light compatible with aero and round seat posts* Co-molded, wear-resistant design IPX7 water resistant, lightweight and durable* 12 units per box