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
Backlight: red (default) ,green , blue, white, yellow, yellow green , orange ,purple
Input Signal: 0-190ohm(Default) / 0-180ohm / 10-180ohm / 240-33ohm / 240-30ohm available for fuel level meter; 287.4-22.4ohm for water temp meter; 10-184ohm for oil pressure meter; 9-32V for voltmeter
9-32VDC(12VDC/24VDC) Working Voltage, 100% Waterproof and anti-fogging protection