5 Gauge 85MM GPS Speedometer 0-160MPH COG Trip & 52MM Fuel Gauge Oil Water Volt. 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? 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 ohms. Install diameter:f52mm 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.