The LCD Tach/Hour meters track RPMs and running time for all types of gasoline powered engines. The operation of the Tach/Hour meter is connected by5 ft. insulated wire. You will wrap the rpm wire around the spark plug for around 5 times. The unit is activated by the spark of the engine.
Easy to install
LCD digital display (5 Digit Display)
Show engine both hours of operation and RPMs
Record max RPMs of engine
No power connection required (Internal batter CR2032)
Sensitivity can be set