Akale Bike Lights Set, Rechargeable Bicycle Lights Front and Rear, 4 Light Mode Options, Bike Headlight, IPX4 Waterproof, Easy to Install for Men Women Road

USB CHARGING: This bike light set Front light and tail light all support USB charging, Charging time takes only 2.5 hours
FOUR LIGHT MODE: Front cycle light supports full brightness, half brightness, fast flashing and slow flashing mode. Taillight features constant and flicker mode (4 MODE full brightness, half brightness, fast flashing and slow flashing mode) to alert following cars and people
UNIVERSAL DESIGN MOUNT：make one size to fit all bike, Mountain, Big Road Bikes, City Bikes. You can use it regardless of the type of bicycle you ride