1. 100% brand new and high quality.
2. Size: 11.5*5.5cm.
3. Working voltage:3V.
4. Power supply:built in button battery (*3v,CR2032 button battery).
5. Measure range:3-100PSI.
6. ccuracy:3-100PSI ±1.5PSI.
8 .Voltage unit:PSI/KPA/BAR.
9. Working temperature:-10 Celsius to +50 Celsius.
10. Automatic shut-down:50s turn off,30s light turn off.
1. Press the switch and start the device, choose the pressure unit,order is PSI,BAR,KPA.
2. Press the device to your tire gas nozzle,and hold on 2-3 seconds,then the LCD screen will display the tire pressure .
3. When you want to test it again ,just long press the button 3 seconds,and repeat the 1st step.
4. When you do not use it ,long press the button for 10 seconds or it will shut down automatically 50s.
Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon.
1pcs * Air Pressure Gauge Tester (Battery included)