Groofoo - Digital Hour Meter Tachometer, Maintenance Reminder, Replaceable Battery, Auto Shut-Off, Use for ztr Lawn Mower Marine Tractor Generator

Hour Meter ---- Contains tachometer, hour meter, service meters; helps you track how many hours you have spent on your engine. The total number of hours can be reset; 0.1 hour accuracy MAINTENANCE REMINDER ---- Programmable maintenance timer (SERVICE), countdown maintenance reminder time; When the maintenance time comes, the service warning icon flashes to remind SPEEDOMETER---- Accurately records your RPM when engine is running, helps adjust engine speed when idling; can be programmed for different engine firing modes REPLACEABLE BATTERY----Internal replaceable CR2450 battery, data retained after battery replacement; When the engine is stopped, the player will automatically turn off after 2 minutes; press button to read screen, data retained after shutdown OTHER ---- Easy to install; Waterproof rating: IP65; CE ROHS certification, 2 year warranty The PowerLeader RL-HM011A Self-Contained Engine Digital Maintenance Reminder Tachometer features a tachometer, hour meter, service timers,