Features:
1. Double sense (sensitive Vibration and Light)

2. Led Flash English letters and automatically change;

3. 100% Waterproof, Do not worry about the led light will be damaged when it rains or car wash.

4. Now on the market are single-sided, and can only see one side. And our latest product is the double of this. When you ride, the way people can see words on both sides

5. Power: 3 AG10 button batteries, included in this product is included

6. Fit Valve (American And British Air Nozzle)

Specifications:

1. Dimensions: 7.4x1.6 cm /2.91x0.63 inch

2. Weight: 30g

Package Content:
1x Bicycle Wheelsletters 7 LED Light