520 lumen headlight and 30 lumen tail light for use on roads and commuting Extra wide and long range beam compared to typical lighting optics Headlight with exclusive quad LED Daytime Running Lights to stand out in broad daylight USB rechargeable headlight battery lasts up to 63h, and tail light lasts 100h Low profile, water resistant design, headlight only weighs 75g and tail light only 35g Built-in 24/7 Safety Technology with night and day modes, headlight has 8 modes, tail light has 5 modes SteadyPulse mode to alert motorists with attention grabbing pulses while its overlapping steady beam constantly lights the way at night DayLightning to make you stand out in broad daylight with lightning-like flashes Low battery indicator Light mode memory saves the last mode you're in VersatiteTM flexible mount attaches to most standard and aero styles Designed, engineered and assembled in the USA