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.
Waterproof grade: IP55
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.
For 20-inch and 20 inch and above all the bikes, including disc brakes and ordinary V-brake. Please note that bike itself, the length of the wire radius, as long as greater than or equal 14CM like installed. Clamp and housing are PC. PC is a very strong material toughness!
Speed problems: 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.
100% brand new and high quality
Good mountain bike bicycle wheel decoration tool, long working lifespan
Colorized LED light seems fashion and cool when cycling, make your bicycle more attractive especially at night, guarantee the safety in the bad weather like rain and fog
Light sensor and shock sensor design can be intelligent and power saving, in the daytime or bicycle stops, the spoke light won’t lighting
Easy to install and low power consumption
Waterproof design can be durable
Battery: 3 X AAA Battery(not include)

Notice: Suitable for most of 20in or above mountain bikes, bicycles, including disc brake and V brake type bicycles, but not suitable for wide spokes and sparse spokes type bicycles