Ships direct from manufacturer.

This two display instrument monitors TACH, CHT, EGT and MPH.
It is small, lightweight and includes full datalogging, laptiming,
P.C. Downloading, programmable windows and L.E.D. lights, and backlighting.
All of the four readings (TACH, CHT, EGT, MPH) can be monitored
or one or more of them can be turned off and plugged to offer versatility.