1. This car tire pressure gauge is designed for accurate measurement. It can precisely detect the tire pressure, helping you maintain the pressure for safe driving. 2. With a precision meter detector, it provides reliable readings every time. Whether your tires are overinflated or underinflated, it can quickly and accurately show the real pressure value. 3. The tyre deflation pointer feature allows you to easily monitor the pressure changes. You can clearly see if the pressure is decreasing, which is crucial for early detection of potential tire problems. 4. It is suitable for both auto tire inflation and pressure measurement. You can use it to inflate your tires to the proper pressure and also regularly check the existing pressure. 5. Comes as 1 piece, making it a convenient and essential tool for every car owner. Keep it in your vehicle and ensure the safety and performance of your tires at all times.