Feature: -Electronic Gauge with Unique High Definition and Contrast Ratio LCD -Tachometer RPM Range: 0~199999 RPM -Hour Meter Range: 0-99999.9 hours -Water Temperature Gauge: 0~399 / -Oil Pressure Gauge: 0~99.9 PSI/BAR -Voltmeter Range: 0~99.9V DC -Tachometer Ratio Programmable (support W-Terminal connection directly) -Ohm Signal Input Programmable Fuel Gauge, Water Temperature & Oil Pressure Gauge) -Total Hour Meter Programmable -Bezel: Black/Silver 316L Stainless Steel (Anti-Corrosion) -Reverse polarity protection and anti-fogging performance -Installation Diameter: 85mm (3 3/8) -Working Voltage:12V/24V-Working temperatures: - 40 to 85C -IP67 Waterproof Fitment: Boat, Yacht, Generator, Motorbike, Truck/tractor, Car, LDV, etc Package: 1x 6 in 1 Multi function Gauge 1x manual