Features:
Auto-sensing switch control， and dynamic light perception of double light switch only at night， indoor， low light and the car will move off the dual case.
7-color light from the 16 double-sided LED (32pcs LED in all)， mounted on the bicycle on the wire， installation is simple， there are 32 kinds of changes in patterns.
Speed: speed requirement is 25 yards out of the whole map. Up to 15 yards on the very beautiful!
10 yards or less can be used as night riding safety lights， very bright! Stronger than the average tail.
Quick release and easy to installation

Specifications:
Size: approx. 15.5*3.7*1.5cm
Body Color: White

Package includes:
1 x 16 LED Bike Wheel Flash Lights