6 Gauge Set, Speedo, Tacho, Fuel Level Gauge, Oil Pressure, Volt, Water Temp, 52mm/2” For Universal Car boat motor boats, yachts This instrument kit is used to install instruments for vehicles, trucks, motor boats, yachts and other vehicles. Product parameters: Fixed size: 52mm2-1 / 16 Working voltage: 9-32 VDC Oil pressure: 10-184ohms, display 0-145 PSI 6 Gauges Set, Speedo, Tacho, Fuel Level Gauge, Oil Pressure, Volt, Water Temp Fuel level: 240-33 ohms, E-F. Temperature: 287.4-22.4 ohm, display 100-250F Voltage: 8-16V Style: stainless steel plate Backlight: Red Fixing hole size: 52mm (2) -Operation mode: LCD display, stepping motor.