Features Novel design, compact size and high precision. Perfect for providing standard industrial synchronization and supplying data to precision equipment, such as engineering vehicles, various types of automobiles and other devices. Stable performance, long service life and economical price. Convenient to use, easy to carry. Hour counter with 6 digital displays, easy to read. Description: This quartz hour counter is specially designed for standard industrial timekeeping and data supply for reference of the maintenance duration of precision equipment. With waterproof and steady performance, the hour timer indicator is widely used to keep track of time on machinery such as engineering vehicles, various types of automobiles and other devices where operation hours need to be recorded. Specification: Model No.: SH-748 Counting range: 99999.9 hour Counting accuracy: ±0.01 0 Reset Device: No Voltage: 12V-36V AC/DC Power: 0.3W Operating temperature: -10℃--10℃ Relative humidity: fully sealed Seismic Amplitude: 10-70HZ 1--8g(Heavy Force) Weight: 123g Package List: 1 x Quartz hour counter. 1 x Set of connection terminals. Note: Please note that the new type and old type of this product will be sent randomly, and make sure you do not mind before ordering. Package List 1 x Quartz Hour Meter 1 x Set Connection Terminals