ELING 85mm (3 3/8'') Digital GPS Speedometer Odometer with Tachometer Hours Tripmeter Fuel Gauge Voltmeter Water Temperature Oil Pressure Gauge Voltmeter 12V 24V for Auto Motorboat Truck

Installation Diameter: 85mm (3 3/8") 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.

Speed range: 0~999 km/h, MPH, Knots.

RPM Range: 0-9999 RPM.

Temp Range: 40-120°C (104-248°F), unit adjustable.

Oil Pressure Range:0-5Bar/ 0-10Bar (0-75Psi/0-150Psi), unit adjustable.

Fuel level Range: 0-100%.

Voltmeter: 8-32V.

Protection Class: IP67, can work underwater 1 meter position