Measuring range:200PSI, 1400 KPA, 14BAR, 14kg/cm The way of display:Digital Function Feature:Reading can be saved, measure will be highly accurate and durable, and convert to the 4 kinds of unit, PSI, KPA, BAR, kg/cm2 Built-in battery:2 x AA batteries (Shipped without battery) Apply scope:Universal type Working temperate:-20 - -80 Steps: Operation step: 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 Caution:Pls check the tire press every day in the normal protection for the car Colour:Black Material:Metal Package Contents: 1 * Electronic 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.