Jayron Digital Hour Meter Tachometer Gauge,Maintenance Reminder,Rsettable Job,Recall Max RPM,Waterproof for Any Gasoline Engine ZTR Lawn Mower Generator Outboard ATV Motorcycle Snowmobile Chainsaw

HOUR METER----Tracking the total hours of the engine in real-time. When the engine is turned off, the display will show the total running time of the engine and remain visible. TOT hours cannot be reset; MAXimum hours: 99999H.There is also a resettable job timer. TACHOMETER----Accurately record the engine speed when the engine is running,Help adjust the engine idle speed; program for different engine firing patterns,contains 7 programmable RPM types; record and call the engine MAX RPM, the maximum value is 30,000. MAINTENANCE REMINDER----2 programmable maintenance interval service timers (SVC: 5-50H and SVC2: 10-250H), countdown tracking time; used to measure specific working hours, such as oil change. INSTALLATION----There is no battery required-connects to spark plug wire, and the direct connection to the spark plug is achieved by winding. Because the engine is different, the power is different, so the number of winding turns is not fixed, you can try more. OTHERS ----Contains detailed instructions for use; Waterproof rate: IP68; Patent, CE ROHS certification. Brand new high-quality products can be used for all gasoline engine.