Includes 1/8" NPT sending unit, 3/8" and 1/2" NPT adapters and 8" wiring harness Monitor and manage performance with the new Sport-Comp II Pro-Control gauges from Auto Meter. Based on the popular Sport-Comp II Series instruments and offered in a compact 2-1/16" size, these gauges feature solid-state, data acquisition grade sending units, precision stepper motor movements, patented bright white HiDef LED through dial illumination, and illuminated pointers to maximize accuracy and visibility, day or night. Enhanced with Pro-Control functionality, these instruments allow you to focus on driving white-light control systems on key vehicle gauges. Collect data for later review with one-touch Peak Recall functionality. Set custom alert points specific to your vehicle with the built-in red LED warning indicators. Optimize your setup with built-in Pro-Control circuitry and unique on/off points customized for key functions such as lights, fans, switches, pumps, and more specifically to your vehicle.