Tiny Tach Model DTI-100 is a great handheld wireless tachometer. Use this for all small engines using breaker point, electronic, solid state, or magneto ignition systems for both 2 and 4 cycle engines.
Using this tachometer is easy. Simply turn it on, set the RPM reading rate (90 Degrees, 180 Degrees, 360 Degrees, 720 Degrees) and hold it up to the spark plug wire, and read the RPM's on the display.
Records Max RPM reading and you can adjust RPM Mode.
Large LCD Display