Runleader Digital Self-Powered Hours Tachometer,Maintenance Reminder,Backlights Display, Replaceable Battery for Lawn Tractor Log Splitter Generator Compressor Motorcycle ATV Snowmobile.

HOURS : Keep track the hours used and single working task of your engine, program previous hours can be set for a replacement;Perform the necessary maintenance schedule to determine the due time;TOT & JOB hours read up to 999,999 hours;SVC timer range:0-2000 hours .

RPM : Display the engine real-time RPM and highest RPM since engine started to adjust the idle speed, RPM value correction by engine firing patterns and measurement range selection, extra alert channel for speed exceed reminder; RPM measurement range: 0-25000RPM, Alert value range:100-25000RPM.

BACKLIGHTS DISPLAY : Green backlight will help to use it at night or the dim place, you can set the backlight for always-on, OFF and automatical mode as request; Red backlight will display to reminder the RPM exceed warning; Cyan backlight will display from operation systems DSP1 to DSP2 switched.

ECO MODE : Battery capacity will be kept in good condition with insulation sheet before using or during transport; Replaceable battery compartment and LCD shutdown also can extend the lifetime in vacant time.

OTHER FEATURES : Simple mount it by stick-on or 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); Favorable waterproof resistence by whole housing design and back O sealed ring; User data will be retained after display shutdown or battery replaced; Reliable technical support and after-sales service(2 years).