The MyChron4 is a powerful data acquisition gauge and digital display for kart racing. It combines a temperature gauge, tachometer, lap timer, and data logger into a compact, powerful unit that easily mounts to your steering wheel. It is a digital dash, gauge, and data logger with graphical and digital RPM (tach) indicator, automatic lap time, and temperature input for exhaust gas, cylinder head or water sensors. The high-resolution graphic display displays large digits during race mode, smaller, easy to read text during setup and in menus, and shows analysis information such as torque curves and RPM "candlestick" graphs. Backlight in either amber or green, this gorgeous display can also display custom graphics like team logos and pictures. MyChron4 System Includes: MyChron4 Gauge and data logger Infrared receiver RPM pick-up 1 temperature sensor (your choice of CHT, EGT, or H20)