450 lumen headlight with 8 modes, 30 lumen tail light with 5 modes, engineered for use on roads and commuting's rechargeable internal headlight battery lasts up to 65 hours, and tail light lasts up to 100 hour slow profile, water resistant design headlight only weighs 70 grams and tail light only 35 grams Built-in 24/7 Safety Technology gives you a powerful selection of night and day modes, headlight features 8 modes, tail light features 5 modes Both feature Steady Pulse mode to alert motorists with attention grabbing pulses while its overlapping steady beam constantly lights the way at night Both feature Daylighting to make you stand out in broad daylight with lightning-like flashes Headlight side light ports further highlight your presence Low battery indicator alerts you when a charge is needed Lightweight 70g / 35g.