FYI
Want a digital tachometer?
Want to capture Max RPM?
Want another hour meter?
Want an alert when your engine has run for up to 50 hours?
Want another when your engine has run for up to 250 hours?
Just want another toy?
Design Technology, Inc., Home of Tiny-Tach - New Features of the Diesel (http://tinytach.com/new_features_diesel.php)
(No connection, it just looks like a cool device - my buddy just installed one in his boat)