Chesapeake SS White 4" Multifunction 4-in-1 Combination Gauge w/Fuel, Oil, Water & VoltsGauge Displays:. Fuel Level. Oil Pressure. Water Temperature. Voltage. Features:. Voltage: 12V DC only. Faria Gauge Style: Chesapeake SS White. Gauge/Sender Resistance: American. Cut Out Required: Fits a 85mm (3.4") Diameter Hole. Gauge Pointer: Black. Supplied with: Backing Clamp