Ready stock!!! Rockbros cycling back light

Product Description：

Brand：ROCKBROS

Name：Q1-Colorful tail lights

Battery：300mAh lithium battery

Charging method：USB charging

Mode：5 modes,Constant light mode/Alternating red and blue/Red flash/Double side flash/Seven-color colorful, breathing light mode

Lamp beads：Highlight lamp beads

Size：About 30*34*34cm

Weight：About 30g（Including bracket）

Shell：CNC Aluminum shell

Bracket：2 brackets,seat post bracket/saddle bracket

Waterproof：Yes