Moose Utility Resettable Hour/Tach Meter 2212-0406Three resettable service alarms which include, clean air filter, change oil and valve service. Time mode allows you to record running time periods, but easily resets with the touch of a button. No power or ground wires required. Larger display makes it easier to read. Works on all gasoline engines. Includes double sided tape, screws and fasteners. Log book included.