WEST BIKING Three Lighting Modes Waterproof Bicycle Tail-light USB Rechargeable Cycling LED Warning Tail-light - Black

• Three lighting modes, free to switch

• Powered by USB charging, support being charged from a computer or any devices with a USB port

• Life waterproof, no fear of the rainy day or bad weather

• Portable compact size

Specification:

• Light source: 1*LED lamp beads

• Brightness: 10 lumens

• Battery: lithium polymer 220mAh

• Running time: 6-20 hours

• Installation: suitable for pipe diameter 12-34mm

• Weight: about 30g

• Lighting mode: 3 modes