Look good from behind. The Blinder ROAD R70 is the rear light for the discerning rider. With side illumination, dual + constant flash modes and crazy power, you won't find another light with as much brains and beauty. Coming with interchangeable straps (suited to aero post designs) & outputting 70 lumens of light, the Blinder ROAD R70 has got your back, whatever your ride. RUN TIMES: 3.5 hours in Steady mode, 4 hours in Fast, 5 hours in Chaser, 13 hours in Peloton Mode and 20 hours in Eco-Flash mode.