Black housing; blue backlight. 12V DC. KBA/ABE approved. Comes with a speedometer and tachometer and many other functions. Below the display there are 5 signal lights (indicator; high beam; EOBD (on board Diagnostics); oil and neutral. These are only visible when the corresponding signals are triggered. Instead of the rev counter; you can also display a volt and fuel gauge. If you are in RPM mode and the fuel level is critical; this is indicated by a flashing symbol. If your fuel gauge does not have one of the adjustable basic resistances of 100/250/510 or 1200 ohms; you can also teach the fuel gauge in learning mode to present the correct information. - Speedometer: Display range: 0-360 km/h (0-223 mph) - Tachometer: Display range: 0 - 15;000 rpm - Units: 1 segment = 1000 rpm - Total odometer: display range: 0-99999.9km (mile) - Reset automatically after 99999.9 km (mile) - Trip A/B: Display range: 0 - 999.9 km (mile) - Wheel circumference: adjustment range: 300- 2500mm - Units 1mm / pulses 1-60 - Fuel gauge: 4 bars - Clock: 24h - Digital voltmeter: display range: DC5 -DC28V - Indicator lights for: Turn signals; neutral; oil; high beam; EOBD (engine light) - Dimensions: Diameter 70 mm x depth 35 mm x installation diameter 50 mm - Complete with installation hardware kit; brackets and instructions