Description Applicable to standard industrial timing, widely used in construction machinery, engineering vehicles, agricultural machinery, generators, cranes, and other types of vehicles cumulative actual working time charge and tracking monitoring precision instruments and equipment . Features - Color: as shown. - Material: Plastic. - Size: Approx. 6x6x6cm. - and LCD Display Spark Plugs Engine Digital Tach Hour Meter Tachometer Gauge. - Applied to all the gasoline engine with the spark plug, such as motorcycles, motor boats, ATVs, lawn mowers, boat, etc. - Industion design: You just need to tie the cable to the spark plugs and then the tachometer can work. - Adopts large LCD screen for easy to read. - With system data reset function, you can remove all the recorded data. - Easy to install and convenient to operate.Packing list; 1 x timer