1、Multi Functional: 85mm GPS tachometer, the single mileage, total mileage and COG trip functions are clearly displayed on the display screen. 2、Advantages: GPS speedometer has the advantages of high accuracy, fast position confirmation, short starting time, low power consumption and long service life. 3、High Accuracy: Stepping motor is used to drive pointer to accurately display engine speed, with left and right steering indicator function and headlight switch display function. 4、Waterproof and Antifog: GPS speedometer is made of stainless steel 316L frame and anti fog glass. Waterproof and dustproof, with polarity protection and anti fog performance. 5、Colorful Backlit: Designed with 7 colors backlit, red, yellow, orange, green, blue, purple, white, can be freely adjusted, which is convenient for night use. 6、Universal: DC 9‑32V, GPS tachometer is applicable to RV, yacht, fishing boat, ship, motorcycle, automobile modification and other fields. Item Type: GPS Tachometer Material: ABS + Stainless Steel + Anti Fog Glass Tachometer Display Range: 0-200KM/H Accumulated Engine Hours: 0.0-99999.9H Backlight Color: 7 Colors (Red, Yellow, Orange, Green, Blue, Purple, White) Working Voltage: DC 9-32V Installation Dimension: Approx. 85mm/3.35in Function Display: COG trip, single mileage, total mileage Application: RV, yacht, fishing boat, ship, motorcycle, automobile modification and other fields 1 x Gauge 1 x GPS 1 x Manual