Car Air Valve Flashers.These products are small,

Features:
1) Material: good golden metal
3) Latest flashing decoration for automobiles
4) Fits on car tire air valves
5) Produces flashing auras in night drives
6) Produces lightening circles in drives at speed of 50km/h
7) Doesn't flash in daytime or when cars are stopped
8) Flashes to avoid accidents when cars move in darkness
9) Compact and waterproof
10) With batteries that last 2 months inside
11) Consists of light control circuit induced by dynamics and
luminescence circuit