* 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