3 Gauge Set 85mm GPS Speedometer 0-80MPH w/Tacho & 52mm Fuel Temp Oil Voltmeter. 3 Gauge Set 85mm GPS Speedometer 0-80MPH Tachometer for Car Boat Waterproof. 85mm 4IN 1 Multifuncational gauge. 4 IN 1 Gauge Input parameter(The sensor will be not included). Oil pressure sensor: 10184ohms. Fuel level sensor: 0190ohml24030ohms(can be adjusted, default 0-190Ohms). Operating voltage: 9 to 32 Volts(DC). Engine oil pressure: 010 bar. Fuel level: E-F, 0-190ohms 240-33ohms(Can be adjusted). Degree of Protection lp67. Default input signal is 0190ohm, when 7-Green connect to Ground, input signal change to 24033ohm. Default input signal is 24033ohm, when 7-Green connect to Ground, input signal change to 0190ohm. Engine hours: 0.0-99999.9H. Waterproof and dustproof grade IP67. Backlight :7 Color backlight. Indicating Range: 07000 RPM. Material: Stainless Steel 316L Bezel + Anti-fog Glass. Install Diameter: f85mm or 3-3/8. Working Voltage: 932V DC. Size: 12x8x12cm / 4.72×3.1×4.75 inch. IP67 waterproof and dustproof grade. Backlight:7 Colors Backligt. 1 x 85mm 4 in 1 Multifunctional Gauge. 1X 85mm GPS speedometer. 1 x Installation Instruction.