High-precision pressure measurement, precise pressure adjustment and deflation, digital LCD large screen display, four units switchable, long life. Scope of application: bicycles, electric motorcycles, motorcycles, cars, small and medium-sized passenger cars and vans, trucks and buses [Pressure unit]: Four units can be switched: PSI, KPa, Bar, Kgf/cm^2 [Measuring range]: 3-200PSI/14BAR/14Kgf/cm^2 [Working temperature]: -20 to 60 [Key function]: On/off key (left), unit switching key (right) [Working voltage]: DC3.1V; when the battery voltage is lower than 2.5V, the LCD battery symbol flashes [Working current]: 3MA (with backlight); 1MA (without backlight) [Silent current]: 5UA Display mode: digital Functional features: can retain readings, accurate measurement, high durability, can switch 4 units such as PSI, MPa, Bar, Kg/cm2 Built-in battery: AA battery*2 Applicable model: general Scope of application: general type Color: black Material: metal + ABS Operation steps: Please measure the tire after the tire has cooled down; Please use the terminal of the tire press to connect the tire valve stem so that the reading is the maximum number Please keep the tire press upright and read the number of the tire press Please check the tire press standard and keep the tire press correct Release the press after reading. Please lock the tire valve stem cover Package Contents: 1 * Car Tire Pressure Gauge Only the above package contents, other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual object. The measurement allowable error is +/- 1-3cm.