2" 52mm Car Boost Gauge PSI/BAR Vacuum Water Temperature Oil Temperature Oil Pressure Tachometer RPM Meter Voltage Meter Smoke Mirror Car Instrument Product Description: Water Temperature Gauge, Oil Temperature Gauge, Oil Pressure Gauge, with Sensor. (Note: The pressure gauge, vacuum gauge, and air-fuel ratio gauge do not come with sensors, and the afr gauge is only suitable for narrow-band oxygen sensors.) The sensor thread size is 1/8ZG. English installation instructions are included. . Tachometer: 0~8*1000RPM Boost gauge PSI: -30~30PSI Boost gauge Bar: -1~2Bar Vacuum gauge: -30~0In.ghWater temperature meter: 40~120 Oil temperature meter: 50~150 Oil pressure meter: 0~100PSI Voltage meter: 8~16V Accessories: Suitable for 12 volts Gasoline cars (the tachometer is suitable for 1~8 cylinder cars) Note: 1. After receiving the meter, it is normal for the pointer to display other than 0, and it can be used normally after powering on. 2. The actual items may differ from each other. Listing images have slight color differences on different computer screens, thank you for your understanding 3. Item size is measured by hand, please allow 0.5-1 inch difference (1 inch = 2.54 cm) 4. Even includes installation manual. Professional installation highly recommended! Image of item: Package includes (please see pictures below): Tachometer Boost Gauge PSI Boost Gauge StemVacuum Gauge Water Temperature Gauge Oil Temperature Gauge Oil Pressure Gauge Voltage Gauge