6 Gauge Set 85mm Boat GPS Speedometer 160MPH&Tacho 8000RPM Gauge with Sensor. 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. TRIP: Short mileage(can be adjusted). Save when power off. Long press the button to reset. COG: Course Over Ground. Backlight:7 colors backlight. OLED LCD screen: working temperature -40? +80? Install Diameter:? 85mm or 3-3/8. Engine hours:0.0-99999.9H. Backlight:7 Color backlight. Indicating Range:08000 RPM. Sizes: 52 mm (2-1/16). 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. Measuring Range: 8-16 (V). 1X 85MM GPS Speedometer Gauge. 1x 52MM Fuel level gauge. 1X 52MM Water temp gauge. 1X 52MM 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). International Buyers – Please Note. Buyers are responsible for these charges. All items will be dispatched from our warehouse in China directly. The value do not mean the total you paid or anything else. Your action will help us offer our milk and bread.