ROCKBROS Q1 USB Charging Bicycle Light Color-changing Taillight Bike Light Waterproof Cycling Light - Black

• Lamp beads with high brightness 

• Waterproof, no fear of rainy days 
  

• Dazzling seven-color light, bringing you a cooler light and shadow experience
  

Specification:

• Product: Bicycle Tail Light

• Model: Q1

• Material: aluminum alloy + plastic

• Waterproof: IPX6

• Charging type: USB interface

• Battery capacity: 300 mA

• Lighting mode: 5 modes (bright/red and blue alternately/red flashing/double-sided flashing/seven colors)

• Rated voltage: 3.7V

• Shortest battery life: about 8 hours

• Longest battery life: about 50 hours