Features: 1.Function: The GPS speedometer indicating Range: 0?125KM/H, tachometer: 0?8000rpm. Indication light: LEFT, RIGHT. Mileage Range: 0?99999.9miles. 2.Outstanding performance: Marine GPS speedometer has the benefits of high accuracy, fast position confirmation, and short start time, bringing you a convenient driving experience. 3.Premium Material: The GPS speedometer bezel is made of stainless steel, and the other parts are made of rubber, fog resistant glass, which meets the IP67 level waterproof standard, not easy to fog. 4.Tips: Drive the car or boat to a place with a clear view, GPS Speedometer works faster. This is because the signal comes directly from the GPS Antenna and does not require additional speed sensors. 5.Wide Appilcation: GPS speedometer can be widely used in all vehicles Motorcycle/ Boat/Truck/Bus/Car and off road vehicles. Specification: Item Type: GPS speedometer Fixed Size: 85mm (3 3/8 in) Indication Range: 0-125KM/H speedometer, with 8000RPM tachometer Backlight: Red backlight Signal: GPS Working Voltage: 9~32V DC Operating Temperature: - 40-85C Grade: IP67 waterproof The panel has standard 85mm (3 3/8 in) holes and a 55mm (2 3/16 in) clearance behind the panel to mount the gauge. Application: marine, ATV, vehicle