The human eye cannot accurately distinguish the state of the tire, so sometimes you accidentally damage your tires when you don’t inflate them in time. With our Tire pressure monitor valve, you can check tire pressure easily. The product visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires. It has a color system that indicates a level of proper tire inflation, you can according to the recognize color to display the pressure of the tire. This item is suitable for all vehicles: car, motorcycle, bicycle and so on. Knowing the status of the tires in a timely manner is critical to your safety and the life of your car. Buy right now!