Features: 1.The tire pressure gauge supports up to 200PSI, with 4 optional units: PSI, BAR, KG /CM2, KPA. 2.High?end digital chip and LCD display, the test is more accurate, the error is within 1 PSI, which is reliable in use. 3.The rubber shockproof protective cover can effectively protect the instrument and ensure its long?term use. 4.The operation is simple, just press the power button to turn it on and select the desired range. The pressure relief button is used to precisely adjust the pressure on the tire valve. 5.It helps to extend the life of fuel economy, reduce the burden on the vehicle and enjoy comfortable and smooth driving. Specification: Item Type: Tire Pressure Gauge_x000D_ Material: Rubber + Metal_x000D_ Display Mode: LCD digital display_x000D_ Pressure Unit: PSI, KPa, Bar, Kgf/cm22_x000D_ Measuring Range: 3-200PSI/14BAR/14Kgf/cm2_x000D_ Measurement Accuracy: (3-100PSI) 1PSI, over 100PSI 2PSI_x000D_ Working Temperature: -20 to 80_x000D_ Key Functions: Switch key (left), unit switch key (right)_x000D_ Working Voltage: DC3.1V (2 x 1.5V AAA batteries), replaceable, when the battery voltage is lower than 2.5V, the LCD battery label will flash_x000D_ Battery: 2 x AAA batteries 1.5v (not included)_x000D_ Scope of Application: For motorcycles, cars, small and medium passenger trucks,_x000D_ _x000D_ How to Use:_x000D_ 1.Please measure the tire pressure when the tire is cold._x000D_ 2. Use the tail end of the tire pressure gauge to press the tire valve tightly, that is, the number will display the highest value._x000D_ 3. Please keep the front vertical direction to measure the pressure with the tire pressure gauge, and read the tire pressure._x000D_ 4. Please check the tire pressure value (refer to the of the car for this pressure value) and keep the tire pressure correct._x000D_ 5.After the reading is completed, please press the pressure relief valve to let the pressure in the pressure gauge drain._x000D_ 6. After the measurement, re-lock the cover on the tire valve. PackageList: 1 x Tire Pressure Gauge