Features: 1.Function: Display longitude, latitude, miles, single mileage and accumulated mileage. With backlight, it is convenient to view by boat at night. 2.IP67 Waterproof: Stainless steel front cover bezel and anti fog curved glass cover, which can be used normally even in acid, alkali and humid environments. 3.Anti Fog Function: High transparency PC and curved glass structure form a double layer of anti fog, and the anti fog performance is much higher than that of single layer glass coating anti fog agent. 4.High Accuracy: The LCD screen is adopted, which is characterized by high accuracy, strong universality, reliability, stability, and ease of use. 5.Wide Working Voltage Design: Working voltage 9?32V, low power consumption, long life, short starting time It is very suitable for ships, fishing boats, yachts, outboard engines and other kinds of water vehicles. Specification: Item Type: GPS Speedometer_x000D_ Material: ABS, metal_x000D_ Installation Size: Approx. 52mm/2.05in_x000D_ Function: Display longitude, latitude, miles, single mileage and accumulated mileage_x000D_ Working Voltage: 9-32V_x000D_ Working Current: 100mA_x000D_ Operating Temperature: - 20 -+70 _x000D_ Storage Temperature: - 30 -+80 _x000D_ Display Mode: LCD_x000D_ Display Range Of Speedometer: 0-999.9_x000D_ Total Mileage Display Range: 0-999999_x000D_ Trip Mileage Display Range: 0-999.9_x000D_ Applications: Used in motorhomes, yachts, fishing boats, ships, engineering machinery, agricultural machinery, modified vehicles, etc.