The solar cell in the tail light is made by Solarword( world famous company)  

Switch: button switch

Color: black

Quantity of bulb: 2 led bulb

Power: Solar

Recharging instruction: Last for 4 hours if it is  lighting mode.  Last for 8 hours, if it is flashing mode.

Size of the tail light: 70*55*20mm

Diameter of base clip: 22-30mm

   This is the performance in the darkness

This is the package for the bicycle tail light

close-up pictures of the bicycle tail light from different angles

Installation instruction:

bicycle tail light