KAOLALI 85mm 3-3/8"GPS Speedometer Gauge 0-120MPH Boat MPH Speedometer Waterproof Marine Speed Odometer LCD Indicators with 7 Colors Backlight fit for Car Truck Motorcycle 9-32V

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).. Standard 85mm (3 3/8"") hole in the panel (II) and allow a clearance of 55mm (2 3/16”) behind the panel to fit the gauge.Suitable for all vehicles Motorcycle/ Boat/Truck/Bus/Car and off-road vehicles.. The speedometer has the advantages of high precision, quick location confirmation and short start up time. Using stepper motor drive pointer, accurate display of the engine speed,and with the LCD display clear display mileage.. High-brightness LED backlight, with many kinds backlight color (red,yellow,orange,green,blue,purple,white),customers can adjust any color that you like