Digital Engine Hour Meter Tachometer, Real Time RPM Record, Backlit Display, Plug-in Design for ZTR Lawn Mower Tractor Generator

TACH/HOUR METER----This is a multifunctional meter with dual screen backlight for TOT hours, work timer and tachometer functions.

TOT hours---- Helps you track engine/machine running hours; Display total running hours when engine/machine is off; TOT hours are not resettable; Timing range: 0-99999.9 hours, 0.1 hour accuracy.

JOB TIMER ---- JOB timers used to measure the time of a particular job, such as job change. oil, air filter, etc. The JOB timer can be reset; Timing range: 0-99999.9 hours, 0.1/1 hour accuracy.

TACHOMETER ---- Record the real-time RPM value when the engine is on, help to adjust the engine idle; Programmable engine firing patterns maintain more accurate RPM value; Store and recall MAX engine RPM; RPM range 0-20000rpm, 10rpm precision.

OTHER ---- Easy to install; Works with external AC12-48V or DC6-48V power supply, built-in CR2032 battery; Data retained on engine/machine shutdown; Waterproof rate: IP65。