Running Hour Meter: This small device can be used to keep track of engines working hours for timely service, hours can be reset for an new timing period manually; Timing range: 0 to 999,999 hours with 0.1 hour accuracy.
Application & Working Voltage: It can be worked on most of garden,agriculture and power machine such as mower, generator,tractor,motorhome snowblower etc.; Working voltage range: AC86V to 230V.
How to mount: It only requires drilling a mounting hole and simple hooking up for easy snap-in; Mounting hole size:approx 37X25mm(1.45×0.98 inches).
How to operate: Hours will start to accumulate once you connect it with "postive" and "negative" of power equipment, then trigger the "C" and "negative" to reset the value.
Other Features: Favorable water resistence(IP65); COMS EEPROM for data retain about 25+ years;Key or manual switch are all compatible;Reliable after-sales service and excellent technical support.