Check the listing for details. DATCON 3 3/8" TACHOMETER GAUGE 12 & 24 VOLT 71076-00. Condition: New. Listed at 55.99 USD. TACHOMETER GAUGE 12 & 24 VOLTDATCON 71076-00 3 3/8 inch tach.Works on 12 or 24 volt and has different settings.Includes hardware as pictured.Datcon TachometerScale: 0-4000 RPMDiameter: 3 3/8" (86mm)Volts: 12/24VBezel: BlackSignal Source: AlternatorStyle: English-MetricDATCON IS A HIGH-QUALITY BRAND PRODUCED BY MAXIMATECC. maximatecc is a global manufacturer and full-service supplier of electronic controls, monitoring systems and vehicle accessories. maximatecc's products are preferred by leading original equipment manufacturers (O.E.Ms) in the off-highway (construction, agricultural & mining equipment), specialty vehicle and motorcycle, on-highway (truck & bus), industrial, power turf equipment, emergency vehicle and marine market segments as well as heavy-duty and automotive aftermarket.