The Blinder Road R70 is the rear bike light for the discerning rider. With side illumination, dual and constant flash modes, and super power, you won’t find another bike taillight with as much brains and beauty.   Battery runtime in lighting modes: Steady: 3,5 h Fast Flash: 4 h Chaser Flash: 5 h Peloton: 13 h Eco Flash: 20 h