Item Name: Waterproof Digital Tachometer Tach Hour Meter Motor ATV Engine Inductive Gauge. Product DescriptionDescription:100% Brand New and High quality.Works on all spark ignition engines by selecting engine type using S1 and S2 buttonsOne is to be wrapped around a for spark plug wire and the other is a ground wire.Wide operating temperature rangeShow engine rpm and record hours of operation.Large LCD display for easy reading.Inductive design: You just need to tie the cable to the for spark plugs.
