usb rechargeable bike light set,400mah lithium battery,super bright front headlight and rear led bicycle light,4 light mode options

small size and easy to carry, large lighting range, making a wider vision while driving at night uses aluminum alloy material, durable to use and has excellent thermal conductivity integrated design with good sealing craft ensures excellent waterproof performance, allowing you drive in any weather conditions charged by connecting the micro usb cable to computer or plugging phone charger to wall power socket 5 light modes -100% strong, 50% weak, slow flash, strobe, sos(long press 2-3seconds)