Features: 1.LCD screen digital display, you can read the data clearly during the day or night. It can also help to check the tire pressure before driving to ensure that the tire pressure is normal and ensure driving safety. 2.The accuracy is within 1 PSI, maximum support 200PSI, and it has 4 optional units, PSI, BAR, KG /CM2, KPA, more than most of the units in the table, and can be used for tires from bicycles to heavy trucks. 3.Unique deflation switch design, when the tire pressure is too high, press this switch to adjust to normal air pressure. 4.If you want to extend the service life, reduce the burden on the vehicle and enjoy comfortable and smooth driving, then the tire inflator pressure gauge is the best choice for your vehicle. 5.Self-locking head, easy to connect. Suitable for most tires of trucks, motorcycles, bicycles, automobiles and any passenger cars. Specification: Item Type: Digital Air Tire Inflator Material: Textile + Brass Main Color: Black Pressure Range: 0-200psi Battery Type: AAA battery (battery not included) Number of Batteries: 2pcs Application: Suitable for most tires of trucks, motorcycles, bicycles, automobiles and any passenger cars How to Use: 1. Unscrew the knot of the tire valve. 2. Fix the copper head of the instrument to the valve. 3. The device will display the pressure. 4. You need to find the air pump and the air tube to connect the air nozzle, and hold the handle of the product to inflate it through the inflator when the pressure is low, and vice versa. 5. After the measurement, unscrew the copper head and press the vent button to make the indicator change to 0. PackageList: 1 x Digital Air Tire Inflator 1 x Valve Core Wrench 4 x Tire Cap 4 x Copper Valve Core