the new RL-HM025R Digital resettable Tach/Hour meter. It can work on most 2 or 4 stroke gas engine. It has a powerful timing system, RPM measuring system, as well as some other unique function design.
Timing System Including: accumulating total running hours TOT,maintenance timer can be set freely to 5/10/15/25/30/60 hours SVC , etc.
RPM Measuring System Including:measuring current engine RPM,recording engine MAX RPM,refresh rate 1S,etc.
Unique Design Including: easy installed by wrapping around the spark plug wire of the engine,waterproof Rate IP68,etc.
In addition, the products have got CE and ROHS certification. It has a patent in China.