Ulisem Digital Hour Meter Tachometer, Replaceable Battery RPM Meter for Scooter Lawn Tractor Dirt Bike Generator Chainsaw Outboard Motor Snowmobile Pressure Washer-ZSB-02

【RESETABLE HOURS】: The TOT timer can be reset for use on another small gasoline engine. The TOT working range is the same as the SERVICE timer: 0-99999 hours.【SMALL ENGINE TACH】: Monitor engine speed in real time with various engine shooting patterns to maintain a more accurate reading; RPM measurement range: 0-30000 RPM. Suitable for 2-stroke and 4-stroke small gasoline engines.【BATTERY SAVING】: Battery capacity will be maintained with an insulating sheet before use or during transport; the replaceable battery compartment and LCD screen shutdown can also extend battery life during downtime.【EASY INSTALLATION】: Easy to mount by screwing or gluing in any suitable position; Wire connection design for motor signal detection; it is feasible regardless of wire shortening or extension (wire length: approximately 68.8 inches (1.75 m)). [OTHER]: Waterproof design with full housing and sealed back ring; user data will be preserved.