Tiny Tach hour meter and tachometer, all in one.
Digital readings, fits single and twin cylinder engines.
Works for Briggs and Stratton, Kohler, Tecumseh, Honda,
Kawasaki, Robin, and any other any engine.
Attach wire to spark plug, and it works. Rectangle design.
Shows rpm when engine is running, then shows total hours when engine not running.
Alerts for maintence intervals.
TT2B is not suitable for EFI engines