Overview AutoCross Yellow 2 1/8" Full sweep Cylinder Head Temp.;gauge with standard matte-black low step bezel and flat glass lens. See available bezel, lens, and pointer upgrades in the appropriate drop-down menus. Cylinder Head Temperature Gauge,Full Sweep 2 1/8" Diameter Features .5 - 4.5VDC analog datalogging output Warning light output for additional warning indicator lights Full sweep provides increased accuracy Small 2 1/8" hole size Microprocessor technology for precision Push button calibration Thermocouple amplifier included Type K thermocouple, with 14mm copper lug and 10ft. stainles steel braided wire, included Integrated red warning light, illuminates entire gauge red when activated Configurable LED lighting, with choice of Warm White or Cool White lights A singleconnection wire harness Rugged air core movement for durability Completely electric