Runleader Digital Gas Engine Tachometer Hours & RPM Record,Backlight Hour Meter,Battery Replaceable for Riding Mower Generator Compressor

Runleader Tachometer Hour Meter, TOT,JOB,Maintenance Reminder,Initial Value Setting,Current RPM recorded, Alert RPM, Green&Red Backlight Display, User Data Storage,Waterproof Design.Hours? Timing read up to 99,999 hours,0.1/1 hour accuracy.? TOT hours is non-resettable but automatically clear if exceed max value.? Count-down tracking for maintenance time, remind the arrived status by flashed icon and red backlight.? TOT initial hours can be programmed for replace an old hour meter.? Maintenance tim