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 Freely adjust the tail light's brightness of Steady mode and flash tempo USB rechargeable internal headlight battery lasts up to 110 hours Tail light lasts 210 hours Micro USB charging cable, locktite handlebar mount, seat post mount