USB rechargeable bicycle tail light Bicycle tail lamp USB charging explosion flash warning lamp mountain 
Specification:
Battery Auto Save
The mode automatically changes to flashing when the battery power get low.
New Flashing Model
Add red,blue two kinds of light source,5 flashing model.
Surface Luminescence Technology
Using process flow of COB(Chip On Board),makes the LED module surface uniform and realizes the light without chromatic aberration,and increases the height by sealing glue to provide a bright,powerful glow with incredible side visibility.