Yooreal Digital Hour Meter Tachometer,Replaceable Battery RPM for Scooter Lawn Tractor Dirt Bike Generator Chainsaw Outboard Motor Snowmobile Pressure Washer

【RESETTABLE HOURS】: TOT hours can be reset for using on another small gasoline engine, TOT working range is as same as SERVICE timer: 0-99999H. 【SMALL ENGINE TACH】: Monitor the engine real-time RPM with various of engine firing patterns selection to keep more accurate value; RPM measurement range: 0-30000RPM.Suitable for 2 stroke & 4 stroke small gas engine. 【BATTERY SAVING】: 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. 【EASY INSTALLATION】: Easy to mount it by screw-on or stick-on at any proper position;One wire hook-up design for engine signal detection, it is workable whatever wire shorten or extend( wire length:approx.68.8 inches(1.75m)). 【OTHERS】: Waterproof resistance by whole housing design and back O sealed ring; User data will be retained; Reliable technical support and after-sales service(2 years).