Yooreal Digital Tach/Hour Meter,Maintenance Alert,Replaceable Battery for Lawn Tractor Generator Mini Bike Chainsaw ATV Outboard Motor Snowmobile

【Settable Initial Timer】:You can change the initial time within 1H before engine working;It record the total and Resettable partial time(JOB),all range is:0-99999H. 【Programmable Service Intervals】: Schedule the periodic maintenance such as oil/air replacement by count-down timing; SVC/SVC2 range: 0-1000H/OFF. 【Multifunction Tachometer】: Monitor the RPM/Max RPM,with 9 programmable engine firing patterns to adjust the idle speed status;RPM Alert channel to warn the overspeed; RPM measurement and alert range: 0-25000RPM. 【Backlights Display】: Default green backlight will help to use it at night or dim place, you can set the backlight mode by always-on, OFF and automatical mode(OFF default, button to wake up) as request;Red backlight remind the engine overspeed and SVC arrival. 【Others】:24-H Clock；Inductive wire length 68.8inches(1.75m), it will workable whatever shorten or extend;Repalceable battery CR2032 with long endurance;Waterproof;User shutdown; 2 years after-sales and technical group support.