Sierra Sahara Gauge Set includes a tachometer, voltmeter, oil pressure and water temperature gauge that have a tan dial gauge, black numerals, and a black pointer with a fire-orange tip for easy readability during the day. The red thru-dial and white perimeter lighting enhance readability at night. Scratch-resistant curved glass lenses feature near flush black matte bezels.Key FeaturesPerimeter and thru-dial lighting for night readabilityDial range is 8-18V DC for voltmeter, 0-80 psi for oil pressure gauge, 120-240° for temperarture gauge and 0-7000 rpm for tachometerGauge size is 2” for voltmeter, oil pressure and temperature gauge and 3" for tachometer