Item Weight:2.12 ouncesProduct Dimensions:2.89 x 1.85 x 0.79 inchesBatteries:1 Lithium Metal batteries required. (included)ABPA Partslink Number:HM0112020For more than 10 years, Runleader has focused on product development and manufacturing in the fields of hour meter, battery indicator, multi-function meter, days timer,service for the garden machinery industry, outdoor power vehicle equipment, transportation vehicles, such as: generators, pumps,chainsaws,outboards,lawn mowers,compressors and others,provide well-known European and American customers with quality products and services.HOUR METER----Contains tachometer, hour meter, service timers ;Help you track how many hours you put on your engine.When engine is off, display shows total run time of engine and remains visible. Total hours can reset ; 0.1 hours accuracyMAINTENANCE REMINDER----Programmable maintenance interval service timer(SERVICE ),Countdown tracking service reminder time; When the maintenance time arrives, the service warning icon flashes to remindTACHOMETER----Accurately records your RPMs when the engine is running , Help adjust engine idle;Can be programmed for different engine firing patternsBATTERY REPLACEABLE---- Internal replaceable CR2450 battery , Data retained after battery change; When the engine off, the meter automatically shuts down after 2 minutes; press the button to read the screen , Data retained after shutdownOTHER ----Easy to install; Contains detailed instructions for use; Waterproof rating: IP65; CE ROHS certification;2-year warranty