ITEM NAME:Solar Powered Car Motorcycle Wheel Tire Tyre Valve Cap Light Lamp Flash New Features: 100% brand new and high quality Small size, light weight, durable and waterproof Solar.Automatically stop flashing when the car is not moving or the night speed is lower than 25km/h. The light is dim, the speed is less than 20 km/h, and the LED indicator is not clear. With vibration sensor and photosensitive system.