Yooreal Digital Tachometer Hour Meter, Maintenance Reminder,Max RPM Alert,Backlight,Replaceable Battery For Generator Scooter Lawn Tractor Compress Leaf Blower Chainsaw Snow Blower Boat etc

【MAINTENANCE HOURMETER】: Engine total hours (TOT)/Partial timer（JOB）range: 0-99999 H,JOB can be reset;Adjustable maintenance interval time(SVC) range: 0-200 H/OFF. 【LWAN MOWER RPM GAUGE】: Display RPM and Max RPM,all range is:0-20000 RPM,Alert RPM range:1000-20000 RPM.selectable refresh rate:0.5/1s.8 kinds of programmable firing patterns suitable for most gas engine. 【BACKLIGHT TIMER】: 3 backlight modes to choose from:always-on, OFF and automatical mode.Green backlight will help to use it at night or the dim place, red backlight will display to remind the RPM exceed warning. 【SAVING BATTERY】: Battery will be kept in good condition with insulation sheet before using or during transport; Replaceable battery and LCD shutdown also can extend the lifetime in vacant time. 【MORE】: The black wire can be extended or shortened, and the total length of the black wire cannot exceed 5 meters.Easy installation;signal wire can be shorten or extend( wire length:approx.68.8 inches/1.75m); Waterproof resistence by whole housing design and back O sealed ring. 【Customer service】:CE certification,2-year Warranty.Don't worry about the purchase, product issues are refunded unconditionally.