1PC 6V-80V/ 12V-36V/ 10V-80V Hour Meter Boat Motor Trucks Mechanical Timer Counter/Digit Hour Meter Tripmeter -- (1)DC(6-80)V Features: 100% quality and brand new Round shape 6 digit display hour meter High quality 2" analog hitchener Works well with 18gs,1075Hz vibration Applications: cat forklifts, trucks, racing cars, boats, golf carts, RV, off-road vehicles, etc. Specification: Color: Black Model: Hours Accuracy: +/-0.02% Fits 2" round cutout, 2.25" outer diameter Package includes: 1pc round hour meter(2)DC(10-80)V Features: The meter has positive and negative leads for easy installation. The timer has a 6 digit display with the least significant digit of 1/10 hour (99999.9) and operates on voltages from a DC voltage of 10 ~ 80V. The timing mechanism hour counter contains a crystal oscillator which provides a high degree of accuracy. This rectangular hour counter can be used to track time on machines such as such as boats, cars, trucks, tractors or any other device where time is used to determine oil change intervals, service requirements or where operating hours need to be recorded. Specification: Size (approx.): 5*3.3*2cm Power: 3W Operating Voltage: DC(10~80)VUse Temperature: (-10~75)nbsp;Note: Item without "Auto Zero" function Package includes:1pc Hour Meter(3)DC(12-36)VFeatures:Hour counter Timing gear includes oscillator quartz ensure high degree of accuracy.Easy to install.Widely used to track 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 in case you need to record working hours. Specification: These meters are not waterproof, only splash-proof Item without "auto-to-zero" function Splash-proof Item without auto-to-zero function Package includes: 1pc hour counter