Product Review

Tach/Hour Meter. Works on all 2 stroke 4 stroke gas engines. IP68 Water proof. Large LCD display with back-light. Replaceable battery. Max RPM recall, rpm alert, resettable maintenance hours. Non resettable total hours. No power required, easy installation, just wrap the black wire around your spark plug cable. 0.5 sec rpm refresh rate. 20000 max rpm. 99999 max hours. Will display RPM automatically when engine is running. Will display HOURS when engine is off.