TH805 Digital Car Tire Tyre Air Pressure Gauge Meter LCD Display Manometer Barometers Tester for Car Truck Motorcycle BikeDescription Note:this product not include the batteries Model Number: TH805Dial Diameter: 1.9 Inches & Under Display Type: Digital Backlight:NoneTest range: 2.0-99.5 PSI OR 0.15-7.00 BARAccuracy: +/-1.5PSI Resolution: 0.5PSIUnits: PSI, BAR, KPA, Kg/cm2Power supply: 2 AG13 battery( battery Included )Product size: Approx.143*45*23mmHow to use:1. Power on the gauge, the last test result is displayed. Press the 'ON' button for unit conversion (PSI - 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 tight pressure to ensure that the nozzle and valve are in good touch,and there is no hissing sound. After 3 seconds, remove the gauge from the valve and the accurate tire pressure is read, and the data is kept for 15 seconds. After the data is zero, 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. Adwantages:1. Test tire pressure value quickly.2. LCD display, easy to read.3. Automatically save current data for later reading.