KOMVOX Digital Car Tire Pressure Gauges 150PSI with Car Charger USB, Life Hammer, Portable Emergency Car Tools Motorcycle Heavy Duty RV SUV Car USB Charger 5 in 1

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About KOMVOX Digital Car Tire Pressure Gauges 150PSI With

Function Description 1. Digital Tire gauge 2. Automatic Safety Hammer（Simply to use） 3. Digital Tread Depth Gauge Operation Digital Tire Gauge 1. Press the "ON" button to wake up the tire gauge. 2. The device can support 4 different units of measurement, which is "psi, bar, kPa, kg/cm². Press the "ON" button for 2 seconds and select the unit you want. 3. Complete the above Settings, hold gauge on valve stem for 2 seconds then remove gauge from valve stem. 4. When the measurement finished, the value reading on the screen will be lasting 15 seconds, then the device will turn off automatically. Automatic Safety Hammer 1. Remove the cover and aim the shot at the edge of the glass. 2. Make sure the force direction is perpendicular to the glass surface. 3. The pin will automatically pull the back position after the broken glass, and no power help will be required. 4. It can hit the glass continuously. Digital tread depth gauge 1. Press the button "ON" to Power gauge on, and it display 0.0 PSI 2. Press the button "ON" for short time, and it will switch to tread depth gauge mode. 3. Press the button "ON" for a long time until it flashed, release the button, then, re-press the button "On" for short time to switch different unit for depth. 4. Push probe into tire groove and make gauge tightly close to outer covering of tire. 5. Take away the gauge, LCD will display the depth of tire grooves, also with danger alarm.