Light up the road with our high power light set! They mount easily on your bicycle with rubber straps, and are waterproof under normal daily use—yes, they can be used in the rain! The rear light features brake sensing and will increase in brightness when braking deceleration is detected, mimicking the function of car brakes to keep you safe on the road. As bright as most car headlights, the 700 lumen micro-USB rechargeable front headlight ensures you see everything on your ride. Complete with a USB-C rechargeable rear light, this tiny package provides big safety results to take on any commute or night time cruise. Depending on the mode, the front light can last 2.5-9 hours between charges. SPECIFICATIONS Front Light: Constant Beam (High, Medium, and Low Options) and Flash Lumens: High Beam: 700; Medium Beam: 350; Low Beam: 70 Battery Life: 2.5-9 hours Rear Light: Steady Modes: Low, Medium, High Constant Beam Flash Modes: Strobe, Quick Flash, Slow Flash Battery Life: 4-15 hours Note: Brake sensing function active in flash modes