Be seen whilst cycling with these USB Rechargeable Bike Lights Includes a white headlight and red taillight for ultimate safety Switch through four modes: full brightness, half brightness, fast or slow flashing  Easily attach to your bicycle with the two silicone attachment straps  Mounts to any part of all kinds of bikes Charge up with the two USB cables for up to 10 hours of use Don't stress about the weather with their IPX4 waterproof material  Size: 4.5cm x 4.5cm Stay safe on the road and save 80% on these USB Rechargeable Bike Lights