ELING Waterproof 3 3/8" Digital Speedometer GPS Odometer Tripmeter Chrome Speedo Gauge for Car Motorcycle Truck Bike Boat 12V 24 Volt

About this item

• Cut an 85mm (3 3/8") hole in the panel and allow a clearance of 70mm (2 3/4”) behind the panel to fit the gauge. Put the gauge in the hole. Using M4 nut and C type bracket to seal up the gauge.
• For the GPS antenna, you should securely fasten it in the flat position, black side upwards, preferably outside (or inside front windscreen) so that it has a clear view of the sky to pick up satellite signal. Connect the antenna cable to socket in the back of the gauge. And do not cut cable.
• 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. MPH, KNOTS). Notes: Low speed readings (speeds 3 knots and under) not useful
• Red Backlight, 9-32VDC(12VDC/24VDC) Working Voltage, 100% Waterproof and anti-fogging protection