HIGH/LOW Programmable Tach

4" Wide X 2-1/2" High Data Logger RPM Multi Recall Programmable Monitor With Wiring Harness. Records In 10 RPM Increments. After The Engine Is Shut Off, The Tach Will Automatically Recall And Display The (10) Highest And (10) Lowest RPM Readings. Has Programmable RPM Warning/Shift Light And Is Compatible With Multiple Engine Cylinder Configurations.