Features:
The product is consist of 7pcs colorful LEDs.
Move-controlled ( Motion ) LED sensor， automatically ON/OFF.
Flashes 6 different kinds of patterns， patterns will be changed every 4 seconds.
Pattern is clear and complete when speed up to 20km/hour.
The light will flash when you're driving， and be off when the vehicle stops.
American， French， British valve adapter convertible.
Will bring more color to your bicycle and more safty to you in the night riding.

Specifications:
Battery: 3 * LR44(NOT included)
Material: ABS， Alloy zinc valve adapter
Working speed: Above 20km/hour
Size: 9.8 * 1.3cm (Length * Diameter)
Weight: 25g
Package size: 14 * 10.3cm
Package weight: 41g

Package includes:
1 * Bike tyre light