ELING 85mm GPS Speedometer 0-200km/h with Tachometer 0-8000RPM Auto Gauge Red Backlight 12V for Auto Car Marine Boat with Red Backlight (Black+Nickel Stainless Steel)

Suitable for all kinds of cars, boats, motorcycles -With instructions of high precision, repeatability and versatility, reliability and stability, drive and control is relatively simple and so on -Using a stepper motor drive pointer, accurate display of the driving speed and rotating speed -The LCD display clear display total mileage, and with indicating light(high beam, turn left, turn right) -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.