Feature: 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 Material: Rubber + Metal Display Mode: LCD digital display Pressure Unit: PSI, KPa, Bar, Kgf/cm²2 Measuring Range: 3-200PSI/14BAR/14Kgf/cm² Measurement Accuracy: (3-100PSI) ±1PSI, over 100PSI ±2PSI Working Temperature: -20 to 80℃ Key Functions: Switch key (left), unit switch key (right) 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 Battery: 2 x AAA batteries 1.5v (not included) Scope of Application: For motorcycles, cars, small and medium passenger trucks, How to Use: 1.Please measure the tire pressure when the tire is cold. 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. 3. Please keep the front vertical direction to measure the pressure with the tire pressure gauge, and read the tire pressure. 4. Please check the tire pressure value (refer to the description of the car for this pressure value) and keep the tire pressure correct. 5.After the reading is completed, please press the pressure relief valve to let the pressure in the pressure gauge drain. 6. After the measurement, re-lock the cover on the tire valve.. Package List: 1 x Tire Pressure Gauge