[Good Durability]: 14.17in Extra long rubber hose with metal clip, just squeeze the air tap and no need to screw. Metal direct lock air chuck provides quick lock on the tire valve, better avoid air leakage. Easy to use, it is 99.99% airtight. [Wide Applicability]: Unlimited measurement value is between 0~220 Psi and 0-16 Bar and twice as high as the different gun gauge, which means our product can fit different kinds of cars like vans, cars and motorcycles, bicycle and etc. [Accurate Reading]: The large dial of 2 .95 inch gives clear reading, 2 different reading units without conversion (PSI/BAR), 3 colors help you check your tire safety level (GN, YL, RD), and it can provide accurate reading at 0.1 Bar. With a rubber protector, no need to worry about messes falling off. The reading disappears only by pressing the deflation button. [3-in-1 function]: Besides the pressure measurement function, our product also provides the inflation and deflation function. With galvanization craft handle and 2.7cm alloy inflatable mouthpiece, you can safely inflate the tire by your air pump at home, deflating the air by pressing the button on the handle. [Friendly Tips]: Too high tire pressure may cause flat tire, too low pressure may cause tire rubbing. So we suggest you test your tire twice a month with our professional gauge to protect your fortune and health.