Flashing air valve(MLED1010) The Flashing air valve can bring you lots of happiness when driving. When you drive the car at night, the tyre of your car will become a flashing auro. At the speed of more than 50KM/Hour, there will be a lightening circle to avoid accident. When the car is stopped or in the daytime, it doesnt flash. Features: (1).Made of light control circuit, circuit induced by dynamics and luminescence circuit. The circuit is independent. (2)Made of best golden metal with butten battery inside,the battery can last for two months. (3)It is compact and waterproof.