Features large LED back lighted dial, fog-resistant polycarbonate lens and plug and play connectorized cases. The stepper motor driven pointer provides accurate feedback of information reported by the engine ECU. 4" gauges use a 3.375" hole, 2" gauges use a 2.0625" diameter hole. MG1000 speedometer can be directly connected to NMEA2000 systems and integrates directly to MG3000 tachometer. Plug-and-play connection connects the speedometer directly to the CAN bus. It has the look and function of an analog gauge, but the pointer is driven with a digital stepper motor for increased accuracy.