Super Bright 4000mah Bike Light,for Bike,camping,night Fishing,hiking

[Intelligent brightness dimming] The front light of the bike has a built-in light sensor chip. When driving at night, the brightness of bright street lights is automatically reduced. Bicycle front light lights up instantly when riding in a dark place, saving energy. Stop for 3 minutes without moving, turn off the light automatically, the body will vibrate and light up automatically.[Multiple lighting modes] front bike light has 2 super bright lamp beads, 4000 lumens, front light bike has different lighting modes, T6 double lamp beads, a flood light, a headlight, automatically adjusts to the surrounding brightness lighting, advanced lighting + sound beam control, high decibel speaker.[Large Capacity Battery] Front USB 4000mAh Bike Light Built-in high quality, large capacity lithium-ion battery, fahrad light has 6 hours of battery life in the highest brightness mode and has powerful energy to ensure strong brightness.[Waterproof Press switch] Bicycle lights Waterproof Press switch, long press for three seconds to turn on and light Press to shift gears, long press for three seconds to turn off. Breaking the conventional switch, there are seams, easy to enter the problem, bicycle front light is suitable for everyone, this kind of weather provides sight lights in bad weather conditions to ensure safety and protection.[Easy to install and disassemble] The 0.86 inch-1.37 inch handlebar can be easily combined with the retractable rubber band. Practical for repeated dismantling. The bicycle light with battery pack can also be used as an emergency flashlight, bicycle or other night work helmet.size:10.8x5.2cm Material:ABScolour:blackPackage Contents:1 * Bicycle headlight1 * USB cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.