• This unit has many of the necessary features required for today’s automotive diagnostics. Use frequency readings to test crankshaft and camshaft sensors. It comes equipped with an rpm pick-up, probe test leads, alligator clip test leads, instructions and installed 9V battery. Inductive rpm pick-up features a 5-position, adjustable sensitivity switch. • 25 Test Ranges • 9 Test Functions • Easy rpm readings • Inductive rpm pick-up included • 10 Meg/Ohm input impedance • Dual fuse protection • Built-in tilt stand