Gauge Installation: 52mm diameter and 70mm depth for installation hole. IP67 waterproof and dustproof grade. Working voltage: 9-32VDC. 7 Backlights: Red(Default), Green, Blue, White, Yellow, Cyan, Purple
Sensor Installation: Open 1* 40mm hole and 5* M5 hole, put the rubber gasket on the hole, then put sensor into the tank vertically and tighten the screws properly.
Sensor and Gauge Signal: 0-190ohm. They can match with each other, but cannot be used with other gauges or sensors.