Arespark LE Rechargeable LED Bike Light Set,Headlight Taillight Combinations,Includes Front and Rear Bicycle Light Set, Bike Lights,2 USB Cables,4 Light Modes, 350lm,Water Resistant, IPX4 - 4 Settings Bike light  Multiple Light mode options -- High power/Low power/Strobe/SOS for added safety & security USB rechargeable light The Arespark bicycle light Seat is USB Rechargeable. It can charges 650mAh from your computer or any device with a USB port. This headlight only takes 2 hours to fully charge and has a working time of 2+ hours on the highest setting IPX4 Waterproof The strap is elastic enough to fit all kinds of bikes and can be mounted on any part of the bike. This bike light features waterproof and made from high quality ABS so you can enjoy clear visibility during rain Easy installation, Compact  No tools required. The silicone mount strap can be easily loosen and fasten Warranty - Arespark comes with 30 days money free back, 18 months seller warranty and lifetime dedicating support to assure your long-term enjoyment. Package includes: 2* Bike Lights, 2* USB Cables, 4* silicone mount straps. Head Light: 3.5Hrs (Full Brightness), 10Hrs (Half Brightness), 10.5Hrs (Slow Flashing), 10Hrs (Fast Flashing) Tail Light: 2.5Hrs (Full Brightness), 9Hrs (Half Brightness), 9.5Hrs (Slow Flashing), 9Hrs (Fast Flashing) Attach the micro USB cable to the Bike light&#039;s micro USB input port. Insert the other end of the cable into either an AC adapter (not included ) connected to a wall socket or an active computer USB port. The LED indicator of front light will turn to be green when the front light or rear light is fully charged. On average, this bicycle light can be filled in only 3 hours. USB Rechargeable Front and Rear Set Multiple Light Settings IPX4 Waterproof &amp; Shockproof Installs in Second, No Tools Required Brilliant Illumination for All Bikes Includes USB Charging Cable 1 X Head light (white light) 1 X Tail light (red light) 2 X USB cables 2 X Silicone mounting Strap