Four Light Mode Options - The headlight and tail light feature a one-touch switch with four different lighting modes to suit your preferences. Includes full brightness, half brightness, fast flashing and slow flashing. Say goodbye to bulky bike lights with excessive wiring.Waterproof Bike Light - Don't equip yourself with inferior bike lights. Our lights are built to last and are made from aircraft-grade materials. Built for tough handling and beating, your LED bike lights can survive a 10-foot drop, being underwater, or being run over by a truck. Use in snow, rain, and even zombie apocalypses.Rechargeable Bike Light Set - Pre-installed with the highest quality rechargeable batteries for maximum battery life.Cycle Safely - 90% of cycling accidents happen due to lack of visibility. Equipping yourself with a reliable bike light is a must. Outfit your bike with nothing less than the best bike light available on Amazon today.Outdoor Bike Lights - Versatile enough for cycling, hiking, camping, or any other outdoor activity, this bike light set can also be used as an emergency flashlight in places where visibility and safety are important. This USB rechargeable bike light features a 650mAh rechargeable lithium battery for each light and high-quality rechargeable batteries to maximize battery life.