Runleader Digital Maintenance Tach/Hour Meter,Battery Replacement for Small Gas Engine,Used on Riding Lawn Tractor Generator Compressor Chainsaws Outboard Motor Pressure Washers

HOURS GAUGE ---- One product；Total running hours TOT ;JOB timer used to measure the time of a particular work job, Like change oil, Air filter replacement etc.;Maintenance interval service timer(SVC& SVC2 ). RPM METER ---- Messuring and records your RPMs(0-20000RPM) when the engine is running; Recording and recall engine MAX RPM;RPM alert warning;. GREEN & RED BACKLIGHTS DISPLAY ---- Green backligh mode: always-on, OFF and automatical ; Red backlight will display to remind the RPM exceed warning.. INSTALLATION ---- Simple mount it by stick-on and screw-on at any proper position;One wire hook-up design for engine signal detection with wire shorten or extend( wire length:appox.68.8 inches);. Unique Design----Built-in replaceable battery CR2032;Waterproof rating: IP65; User data will be retained after display shutdown or battery replaced;Reliable technical support and after-sales service(2 years).