Usage Tips:high-precision pressure measurement, accurate pressure adjustment and deflation, digital LCD large screen display, four units can be switched, long life. Applicable scope: bicycle, electric motorcycle, motorcycle, car, small and medium-sized passenger and freight vehicle, Truck & Bus [Pressure unit]: Four units can be switched: PSI, KPa, Bar, Kgf/cm^2 [Measurement range]: 3-200PSI/14BAR/14Kgf/cm^2 [Working temperature]: -20 to 60℃ [Button 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) [Quiet current]: ≤5UA The way of display: Digital Functional features: readings can be retained, accurate measurement and high durability, switchable PSI, MPa, Bar, Kg/cm2 and other 4 units Built-in battery: AA battery*2 Applicable models: General Apply scope: Universal type Colour:Black Material:Metal+ABS Operation steps: Pls measure the tire after the tire is cool; Pls use the terminal of tire press to connect the tire stem so that the reading will be maximum number Pls keep the upright side with tire press, and read the number of the tire press Pls check the tire press standard, and keep the tire tire press in right After release the press after you read it. Pls lock the cap of tire stem Package Contents: 1 * Car Tire Pressure Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.