800 lumen headlight with 9 modes, 150 lumen tail light with 6 modes, engineered for use on mountains, roads, and commuting Built-in Enhanced Cycling Optics™ expands your field of vision with an extra wide and long range beam compared to typical lighting optics Freely adjust the tail light's brightness of Steady mode and the flash tempo of the flashing modes with the simple 2-button interface USB rechargeable internal headlight battery lasts up to 110 hours, and tail light lasts 210 hours Low profile, water resistant headlight design only weighs 140 grams, tail light only weighs 59 grams Built-in 24/7 Safety Technology® gives you a powerful selection of night and day modes, headlight features 9 modes, tail light features 6 modes Both feature SteadyPulse® mode to alert motorists with attention grabbing pulses while its overlapping steady beam constantly lights the wayat night 140g / 59g 
