Description Features: The hour meter timing mechanism contains a quartz oscillator make sure a high degree of accuracy. Easy to install. Widely Use for tracking time on machinery such as boats, cars, trucks, tractors or any other device where time is used to determine oil change intervals, service requirements or where there is a need to record hours operated.<br><br>Specifications: Size(about): 5 x 3.3 x 2cm Indicating range: 99999.9 hours Operating voltage: DC(12~36)V Weight: 55g Color: Black Material: ABS Note: These meters are not water proof, only splash resistant The item Without the function of "automatically to zero"<br><br>Package Contents: 1x Hour Meter<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.