150 lumen headlight with 8 modes, 50 lumen tail light with 8 modes Engineered for use on roads and commuting Both feature enhanced cycling optics that expands your visibility USB rechargeable internal headlight battery lasts up to 24 hours Tail light lasts 65 hours Built-in 24/7 Safety Technology for a selection of night and day modes Both feature SteadyPulse mode to alert motorists Both feature daytime flashes to stand out during the day Both feature Adaptive Flash Technology sensing day/night, adjust accordingly Includes micro USB charging cable, flexible mounts