The LCD hour meter will track engine running time for all types of 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 engin Easy to install
LCD digital display (5 Digit Display)
Show engine hours of operation
No power connection required (internal batter CR2430)
Six Colors( Black, Red, Green,Orange, Yellow and Blue)
Warranty 2 years.