[Good durability]: 14.17in Extra long rubber hose with a metal clip, just tighten the air tap and no need to screw. Metal direct lock air chuck provides quick locking onto the tire valve, avoidsbetter air leaks. Easy to use, it is 99.99% airtight. [Wide applicability]: The unlimited measuring value is between 0~220 Psi and 0-16 Bar and twice as high as other gauge gun, which means our product can adapt to different types cars like vans,cars and motorcycles, bicycle and etc. [Accurate reading]: 2.95 inch large dial gives clear reading, 2 different reading units without conversion (PSI / BAR), 3 colors help you check the safety level of your tire (GN, YL, RD), and it can provide a readingaccurate to 0.1 Bar. With a rubber protector, no need to worry about falling messes. The reading disappears only by pressing the deflate button. [3-in-1 function]: Besides the pressure measurement function, our product also provides the inflation and deflation function. With a galvanizing craft handle and a 2.7cm alloy inflatable mouthpiece, you can inflate thetire safely by your air pump at home, deflating the air by pressing the button on the handle. [Friendly Tips]: Too high tire pressure may cause a flat tire, too low pressure may cause tire friction. We therefore suggest that you test your tire twice a month with our professional gauge in order toprotect your wealth and health.