Flash Airhole Cover

information about tyre fly's as follows:

1.Instruction: Equip it on the top end of the air holes of a car tires.

2. The light will bright and flash after you stop the car, and the light will last for about half a minute .

3.Batteries replacement
a) Unscrew the battery cover on the top of the light.
b) Remove the batteries and replace them with three new ones .
c) Make sure that the batteries are inserted in the correct direction and its "+" and "-" side in the right positions.
d) Place the cover back.