LCD Gasoline Inductive Tachometer Motorcycle Ship Outboard Motor Waterproof Speedometer, Speedometer, Rl-Hm011A

 the new RL-HM011A Digital Battery Replaced Tach/Hour meter. It can work on most gas engine up.It has a powerful timing system, RPM measuring system, as well as some other unique function design.
Timing System Including: accumulating total running hours HOURS,maintenance timer can be set freely to 0-9999.9 hours SERVICE , etc.
RPM Measuring System Including: measuring current engine RPM,etc.
Unique Design Including: easy installed by wrapping around the spark plug wire of the engine,replaceable CR2450 battery,data stored automatically after replacing the battery,waterproof Rate IP65,etc.
In addition, the products have got CE and ROHS certification. It has a patent  in China.
Notice:
Please press S1+S2 to START the Meter after install the battery correctly.
The LCD hour meter will track engine hours and RPMs for 2 /4 stroke gasoline powered engines. The operation of the Hour meter is connected by5 ft. insulated wire. You will wrap the wire around the spark plug for around 5 times. The meter is activated by the spark of the engine.