Jayron JR-HM011F Self Powered Digital Tachometer Hour Meter,Resettable TOT Hours,Countdown Programmable Maintenance Reminder,Shutdown,Battery Replaceable,Use for Lawn Mower Outdoor Power Equipment

HOUR METER-----Resettable total hours, timing range: 0-99999H, 0.1/1H accuracy, when the user shutdown or the device turn off, the data is stored automatically , and the readings are accumulated directly in the next cycle.

MAINTENANCE REMINDER----Programmable maintenance interval service timer and also can be turned off, countdown to track the service reminder time; when the maintenance time is reached, the service warning icon flashes.SVC range：0-9999.9H/OFF.

TACHOMETER----Accurately records RPMs when the engine is running , Help adjust engine idle speed;programmed for different engine firing patterns.RPM range:0-20000RPM,10RPM accuracy,RPM refresh:0.5s.

BATTERY REPLACEABLE---- Internal replaceable CR2450 battery,easy to operate,data is retained after the battery is replaced;data remains after the action button is turned off.

OTHER ----Two installation methods; including detailed instructions for use; user shutdown; waterproof rate: IP65; patent, CE ROHS certification; 2 years warranty