Digital tachometer, inductive tachometer, inductive hour meter, small waterproof engine tachometer, replaceable battery for motorcycle, motocross, lawnmower.

【High-Performance Tachometer for Chainsaws】The induction tachometer can be used with any 2-stroke or 4-stroke gasoline engine, making it a versatile tool for measuring engine speed. 【High-Precision Induction Technology】The tachometer uses inductive measurement technology, positioned near the engine's spark plug wire, to ensure accurate engine speed measurement. It automatically enters sleep mode when not in use. 【Auto-Reset Function】The hour meter can display up to 10,000 hours and then reset to zero. The tachometer can display up to 99,999 RPM. The induction tachometer is safe and reliable. 【Long Battery Life and Easy Replacement】The digital tachometer's battery is easy to replace and has a long lifespan. This saves you time and effort with every use. 【Easy to use and maintain】. The tachometer displays not only the current engine speed, but also the total number of operating hours and includes a service symbol for oil changes and maintenance. A practical tool for all users, regardless of their technical knowledge.