NiteRider Lumina Micro 250 Front & Rear Bike Light Run Time: 1:30HR High-250, 2:45HR Med-120, 4:00HR Low-80, 14:00HR Walk-20 250 Lumens for optimal lighting Light levels, 4 steady/1 flash Charge time: 3:30 hours Includes Solas USB tail light, UBS charging cable, and handlebar mount-fits up to 31.8mm