Product details:

Intellitronix offers the coolest and most stunning LED digital speedometers available in the market today! Accurate, super bright and intelligent all in one. Very bright shade of Red! Can be seen in direct sunlight! This speedometer is 3 3/8" in Diameter, features an odometer and trip odometer, Super-bright RedLEDs with a black bezel and Custom LED bar graph. IMPORTANT: For older cars that use cable driven speedometer, sending unit (part #S9013) is required. The speedometer can be easily calibrated for different tire sizes etc. Instructions included. Easy installation. Free telephone support.