Mechanic Recommended, Performance Tested, and Certified Precise Pressure Readings Up To 200 Psi With Display Resolution To 0.10 Psi Increments. Built From Super Strong Brass and Steel Parts Shielded By Our Rugged Shock-Resistant Gear-Style Protective Guard. Flexible 10 Inch No-Leak Rubber Air Hose With Super Handy 360-Degree Interchangeable Advanced Angled Chuck For Easy Access To The Tire Valve. All Readings Lock-On To The Display Until The On Button On The Gauge Is Pressed To Reset To 0 Psi. Integrated Air Bleeder Valve To Reduce Pressure In Overinflated Tire. Large 2 Lcd Display Screen With Battery Life Indicator.