* USB RECHARGEABLE: This bike light comes with charging cables that charges from your computer, power bank or any device with a USB port, this will save you lots of money on batteries. In addition, its rechargeable lithium-ion battery will automatically cut off after charging, and it only takes 2 hours to fully charge for 3-16 hours of lighting.
* 4 LIGHTING MODES: This cycling safety light has 4 lighting modes: chase mode, strobe mode, fast chase mode and full brightness. When this light is turned on, each time you press the switch, you can change a lighting mode, which ensure your safety of riding at night. You can adjust the mode according to the environment or your needs.
* BRIGHT AND ENERGY-SAVING LED: This bike light adopts high-brightness and energy-saving LED, brightness up to 15 lumen, less power consumption and longer service life.
*WATER RESISTANCE: These bike lights are made of waterproof material, has excellent performance no matter in heavy rain or other extreme weather, provides you a safer cycling.
* EASY INSTALLATION AND BETTER STABILITY: This bicycle light set with different-size mounting rings can be installed on many kinds of bikes, easy installation and release, no other tools are required. Better stability even on a bumpy or rocky road.