Koso's plug & play HD-02R 4" Tachometer for Harley-Davidson® 8,000 RPM is equipped with a two color changeable LCD display. Not only does this meter provide the engine RPM, it displays the gear position, cruise control and ABS indicator lights as well. Digital tachometer: Display range: 0 ~ 8000 RPM. Tachometer graphic bar: Display range: 0 ~ 8000 RPM. Display unit: ± 166 RPM. Effective voltage: DC 12V. Meter standard: JIS D 0203. Meter size (DxH): 94.7 x 55.5 mm. Gear position: N, 1, 2, 3, 4, 5, 6. Indicator lights: Cruise control (Orange / Green). ABS (Yellow). Engine temperature: 0 ~ 255°F / -17 ~ 123°C.