Universal Digital GPS Speedo Gauge ODO COG Trip for Car Motorcycle Truck Yacht Vessel 3-3/8″ (85mm) 9-32V

Open a 3-3/8″ dimension and 2-3/4″ depth hole, put gauge into it and fasten
Hook up easily, 3 wires connection(power, ground, lighting). This is complete unit, can work directly with gps sensor together, not need other sensor cables. Mount the sensor at any position, on or under the dashboard.
It takes about 30 seconds to get signal in the first time, but less than 3 seconds after that. It gets quicker under a clear view of the sky. Sometimes if signal is missing, pls. reconnect all wires and restart it.
It shows Current Speed, Trip Meter(return to 0 after power off), COG, ODO(cannot be reset), Press the back button to adjust unit(KM/H. , KNOTS). Notes: Low speed readings (speeds 3 knots and under) not useful
Red Backlight, 9-32VDC(12VDC/24VDC) Working Voltage,1 year Warranty, 100% Waterproof and anti-fogging protection Product Features:
-Suitable for all vehicles, boats and off-road vehicles
-The signal comes directly from the satellite signal receiver(GPS Speed Sensor)
-The gauge has the advantages of high precision, quick location confirmation and short start up time.
-IP67 waterproof and dustproof grade
-Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.
-With curved glass (with anti-fogging function)
-With ultra-wide working voltage design( long-term operating voltage: 9-32V, Maximum up to: 36V ( 1 min)).