Keeping you highly-visible on every wintery commute or low-light urban ride, this ROCKBROS USB Rechargeable Waterproof Cycling Rear is the ideal addition to illuminate your back-end to trailing traffic and pedestrians.

ROCKBROS USB Rechargeable Waterproof Cycling Rear Lights is a simple rear light that does the job of making sure you're well seen, with ample light output, good mode choices, and easy operation and fitting. 

Buy Compatible Helmet Here → ROCKBROS ZEPHYR Bike Helmet

• Mode: 5 Modes
• Lumen: 20 True Lumens
• Battery: Rechargeable lithium battery
• Size: 3.1*2*4cm
• Weight: 22g
• Function: Bike taillight, Helmet Taillight, Bag Warning Light