1. Test tire pressure value quickly.2. LCD display, easy to read.3. Automatically save current data for later reading.Model Number: TH805Dial Diameter: 1.9 Inches & UnderDisplay Type: DigitaTest range: 2.0-99.5 OR 0.15-7.00 BARAccuracy: +/-1.5PSIResolution: 0.5PSIUnits: , BAR, KPA, Kg/cm2Power supply: 2* 1.5V LR44 battery( not included)Instruction:1. Power on the gauge, the last test is displayed. Press the 'ON' button for unit conversion ( - BAR - KPA - Kg/cm2). The simultaneous test of unit transformation shows that the value is changed accordingly.2. The nozzles of the pressure gauge are aligned with the tire valve and pressure to that the nozzle and valve are in good touch,and there is no sound. After 3 seconds, remove the gauge from the valve and the tire pressure is read, and the data is for 15 seconds. After the data is , move the pressure gauge to the other tires to continue to test.3.If gauge is not operated for 60 seconds, it will power off automatically. Or press ON key for 3 seconds to turn off the gauge.Colour:blackMaterial:plasticPackage Contents:1 x Tire Tyre Air Gauge MeterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.