1、Tire inflator with pressure gauge, high accuracy within ±1 PSI, 3‑200PSI measuring range, helps correct the pressure. 2、The digital tire pressure gauge with LCD display, easy to read, can display the test value of 2‑3s, and can display the data clearly even in the dark. If there is no operation within 15 seconds, it will automatically shut down to save battery power. 3、Support freely switching of 4 units(PSI, KPA, Bar, Kgf/cm^2), universal for motorcycles, cars, midi and mini coaches, trucks,etc. You can also deflate and inflate with this tire inflator, bleed valve helps to vent the air when the tire pressure is extremely high. 4、When the air pressure is too low, all you need to do is to connect the air compressor and press the "inflate" button, and then start to inflate the tires. 5、Double‑head chuck design, make the tire valve easier to access. Built‑in heavy‑duty stainless steel, brass, thick silicone protective cover and heavy‑duty rubber hose, has high durability and firmness. 6、The digital tire inflator helps extend tire life and improve fuel economy, reduce the burden on the vehicle and allows you enjoy a comfortable and smooth driving.