Digital Tachometer Hour Meter Tach Max RPM Recall for 2 and 4 Stroke Engine

Inductive Tachometer Track Oil Change Hour Meter  Digital Tach Hour Meter  for 2 or 4 stroke gasoline engine maintenance, maintenance timing and RPM detection, Thi sis a great way to keep track of your hours between Services ! Great Value and Easy to Install !Cool gadget   0.39 inch large font accurately reading RPM and time. works really well once you get it to read accurately. The maintenance time record will let you pay attention to the state of the engine, so that you can repair and replace the engine oil and air filter to protect it and extend its service life. This is a very simple and easy way to check idle speed on any engine with a spark plug!  Install it on the hood or where you need it, ground it and route it around the plug wire, then display the RPM on the screen.Bold in the cable, not easily broken when you turn   Made it easy to know what I was doing while adjusting engine rpm after carburetor replacement.No need to guess Induction line length?68.8?In? The engine stops showing the total working time TOT 0.0 and displays the current RPM while working.  Display TOT 0.0 ,total running time, 0.0-99999H, can not be reset.  Displays JOB 0.0, single run time, resettable  Display  1P1R, Engine type setting,can be set  Display  MAXRPM, you can view, witness the madness of the engine Display SVC 5.00, maintenance and repair time, can be set Display SVC2 10.00, maintenance and repair time, can be set   6 interfaces, 6 functions, only for the excellent you Suitable for engine type 2 stroke (1/ 2 / 3 cylinders) and 4 strokes (1/ 2/ 4 / 6 /8 /12/ 16 cylinders ) It is the ideal rev counter for motorcycle, ATV, PWC, ,Paramotors, Microlights, Marine Engines - Inboards and Outboard