Digital Auto Tachometer Gauge for Motorcycle Generators 2/4 Stroke 8 cylinders
RPM Range: 0-30,000rpm, RPM accuracy: ±10rpm; Refresh Rate: 0.5s. Wire Length: Approx. Screen Size: 47 14mm. Press and hold the SET button and the screen will display the RPM modes in sequence, such as 01, 02 and 03.