Item Describe:2. Type : 0-200PSI Inflatable Pressure Gauge3. Material: Rubber + copper + plastic4. Size: 50mm5. Power supply: 2x Built-in CR2032 ( include ) Function :1. Interface: NPT1 / 8 thread2. Measuring Range :0-200PSI/ 0.01BAR3. Used to monitor cars the tyre pressure, extending tire life and ensuring safety.