6 Gauge Set 85mm GPS Speedometer 200KmH Tacho/Fuel/Oil Press/Temp/Volt & Senders. 85MM Black GPS Speedometer 0-200Km/H Tachometer 0-8000RPM For Boat Car Truck ATV. We would do our best to give you the best solution. 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. Total mileage: (can’t be adjusted). 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? Backlight :7 Color backlight. Engine hours: 0.0-99999.9H. Waterproof and dustproof grade IP67. Functions: current tacho/RPM and hour. Operation mode: LCD display, stepper motor. Tachometer fit for Car /Truck/ Boat /Diesel Generator Engine /Gasoline Engine. Sizes: 52 mm (2-1/16). Measuring Range: Empty – Full. Resistance: 240 (E) – 33 (F) ohms. Input signal: 287.422.4 ohms. Install diameter:? 52mm or 2-1/16. Indication range:010bar / 0-150 PSI. Measuring Range: 8 – 16 (V). 1X 85MM Digital GPS Speedometer Gauge. 1X 52MM Fuel level gauge. 1X 52MM Water temp gauge. 1X 52MM Oil pressure gauge. 1X Fuel level Sending Units. 1X Oil pressure Sensor (1/8NPT). 1X Water temp Sensor (1/8NPT). 1X Tachometer Sensor(M161.5).