Plug and play meter. Features speed, odometer, tripmeter, hour meter, voltage, clock and stopwatch as well as 6 indicator lights. 11/16″ is face depth. Specifications: 12VDC, Effective temperature range (14 to 140 °F), Speedometer (0 – 225 mph), Tachometer 0-10.000 RPM – 0-15,000 RPM, Odometer (0 – 999,999 miles), Oil Maintenance (300 – 10000 miles), Volt meter ( DC 10V – 16V).