Koso has over 30 years of experience in designing and manufacturing high quality products. They are known for their product's quality, reliability and capability. The Koso RX-2 GP Style Multi-function is one of Koso's best sellers. The unique color changeable back-light makes it a very popular instrument Choose from 7 different colors The illuminated needle with LED pointer makes the Koso RX-2 it very easy to read even at night This instrument features many different functions such as speed, odometer, trip-meter, RPM, shift light, temperature, indicator lights and many other cool functions Set yourself apart with the Koso RX-2! Speed unit: km/h or MPH Speedometer range 0-360 km/h or 0-223 MPH Odometer: 0-99999.9 km or mile Trip A / Trip B: 0-999.9 km or mile Tire circumference setting: 1,000-2,500 m/m Tachometer range:0-15,000 Display unit :100 RPM Max RPM record: 0-15,000 RPM Temperature unit: °C or °F Digital water temperature range:0-120°C or 32-248°F Digital oil temperature range: 0-120°C or 32-248°F Fuel gauge: Display in 10 levels (one level means 10% fuel) Clock: 24H Indicator lights: Neutral (Green), High beam (Blue), Oil (Red), RPM Shift (Light Yellow / Red), Speeding (Red), Turn Signal (Green), Check engine (Amber)