ELING Waterproof GPS Speedometer Odometer 200KM/H for Car Motorbike Buggy with Backlight 85mm 12V/24V

Open a 85mm dimension and 70mm 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. 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 and ODO(cannot be reset), no trip meter. If you need, pls. search for ASIN B07DY24M2M, B07DYK56VZ or B07DY221ZY Red Backlight, 9-32VDC(12VDC/24VDC) Working Voltage, 100% Waterproof and anti-fogging protection