MAIMEIMI GPS Speedometer 85mm 3-3/8" Digital Boat GPS Speedometer Gauge Waterproof MPH Knots Km/h Adjustable for Car Marine Truck Motorcycle 9-32V (Black)

MAIMEIMI GPS Speedometer 85mm 3-3/8" Digital Boat GPS Speedometer Gauge Waterproof MPH Knots Km/h Adjustable for Car Marine Truck Motorcycle 9-32V (Black)

• The GPS speedometer gauge with TFT screen, it display the range clearly. 9-32VDC Working Voltage, Speed Meter Gauge is IP67 waterproof and anti-fogging protection.
• Diamete: Open a 85mm (3 3/8") and 55mm( 2 3/16”) depth hole to put the digital gps speedometer into it, easy to install.
• Three unit can be switched: km/h; mph; knot;(rounded to one decimals). 85mm gps speedometer fits for car, tractor, truck, boat, marine, motorcycle etc.
• Speed: 0-600 mph/kmh/knot; ODO: odometer: 0-999999km (Save data when off electricity); TRIP: 0-999.9km (Return zero when off electricity.); Digital Compass: 0-359°.
• After connecting GPS speedometer, it takes about 30 seconds to get signal in the first time. It gets quicker under a clear view of the sky.
• How to switch between altitude and voltage: Press and hold the button on the back of the GPS speedometer, then power on the device to switch between altitude and voltage.