Dual exhaust gas temperature sensor Allows rider to tune engine more precisely and keep a record of your previous runs (up to 50) Settable warning for each cylinder gives the opportunity to set a maximum temperature warning of up to 2,100 ?F Red flashing of the screen makes it very easy to see if something is going wrong with the engine (This tool could save motor) Effective temperature range of 14?F - 140?F (-10?C - 60?C). EGT-02 DUAL SENSORS