Myers Tire Supply Digital Tire Gauge offers an incredibly accurate +/- 0.5 PSI from 2 to 100PSI and +/- 1 PSI from 101-150PSI precision level and a heavy-duty commercial grade chuck with bleed valve. Built-in bleeder valve releases pressure from overinflated tire and immediately know the new pressure. Helps you maintain correct tire pressure, reduce tire wear and extend tire life. The Backlit LCD display is for visibility in dimly light areas, the audible beep will let you know when its ready and the accurate and easy-to-read digits help you easily measure your vehicle's tire pressure. Versatile use for trucks, RV, cars, motorcycles, bicycles etc. This compact, convenient tool can be used to quickly and accurately measure tire pressure, and release excess air if needed.