85mm 3.35 Inch Waterproof Speedometer Odometer Gauge with Red Backlight for Yacht Boat Marine Features： 1、 Material: speedometer is made of 316L stainless steel and anti fog glass, IP67 waterproof and dustproof, sturdy and durable. 2、 Performance: Boat speedometer with low power consumption, high accuracy, stable performance and high reliability. 3、Professional Design: Professional manufacturing, exquisite workmanship, wide working voltage 9‑32VDC, can be used in harsh environment. 4、Accurate Display: Speedometer odometer can accurately display speed 0‑200Km/h, 0‑99999.9Km mileage, red backlight is easy to read. 5、Simple Installation: Simple to install, connect firmly, no complicated operation is required, convenient for using, save your time and energy. Specification： Item Type:  Speedometer Material: 316L stainless steel, anti fog glass Input Signal: Pulse signal Display Range Of  Speedometer: 0-200Km/h Display Range Of Odometer: 0-99999.9Km Protection Grade: IP67, completely waterproof, can work in 1m underwater position; anti fog function; Backlight Color: Red Operating Voltage: 9-32VDC Operating Current: ≤60mA Operating Temperature: -30℃ to +75℃ Storage Temperature: -40℃ to +85℃ Operation Mode: LCD display, stepper motor Package List： 1 x  Speedometer 1 x User Manual