6 Gauge Set 85mm GPS Speedometer 0-80MPH Waterproof for Marine Boat Car Truck US. 6 Gauge Set 85mm GPS Speedometer 0-80MPH Tachometer & 52mm Fuel Gauge Water Temp Oil Press Volt 7Colors LED For Car Boat. NOTES: The Sending units will be included. 316 stainless steel for long-term use even in acid-base, humid environment. IP67 waterproof and dust-proof grade. With curved glass(with anti-fog function). Suitable for all kinds of vehicle modification. Using stepper motor drive pointer, accurate display of the engine speed, and with the LCD display clear display mileage. Gauges have many kinds backlight color (red, yellow, orange, green, blue, purple, white), customers can adjust any color that you like. Install Diameter:? 85mm or 3-3/8. Working Voltage: 932V DC. Size: 12x8x12cm / 4.72×3.1×4.75 inch. Backlight:7 Colors Backligt. Engine hours: 0.0-99999.9H. Backlight :7 Color backlight. Indicating Range: 08000 RPM. Sizes: 52 mm (2-1/16). Measuring Range: 8 – 16 (V). Measuring Range: Empty – Full. Resistance: 240 (E) – 33 (F) ohms. Input signal: 287.422.4 ohm. Install diameter:? 52mm or 2-1/16. Indication range:010bar / 0-150 PSI. 1X 85MM Digital GPS Speedometer Gauge. 1x Fuel level gauge. 1X Water temp gauge. 1X Oil pressure gauge. 1x Fuel level Sending Units (240-33ohms). 1X Oil pressure Sensor (1/8NPT). 1X water temp Sensor (1/8NPT). 1X Tachometer Sensor(M161.5).