Mechanical hour meter diamond, no battery, long life. Works on 6-80V DC battery powered equipment. Maximum value: 99999.9 hours, 0.1 accuracy Automatic recycling to zero exceeds the maximum value. Quick installation, saving time and effort, without tools. CE certification, we offer an additional two year warranty. Product Description Snap hour meter / mechanical hour meter for most 6-80V DC powered equipment, such as forklifts forklifts, golf carts, grounds maintenance equipment and other battery powered equipment. Specification: The total run time of the motor display will be displayed and remain visible. The timing mode is counting increments, the initial value is 0 and the maximum value is 99999H. TOT cannot be reset. If it exceeds the maximum value, it will be automatically cleared. Digit height: 7mm Working voltage: 6-80V DC 50/60HZ Memory Capacity: CMOS EEPROM Storage & Operation: -40 to 85 Humidity: 95 %RH + 32C for 2 hours Polarity: Positive/Negative Works on: Suitable for outdoor electrical equipment, vehicles, boats, generators, agricultural equipment, construction machinery, etc. such as: Garden Mower Tractor Horse Riding Mower Blade Blower Pressure Washer Chainsaw Snow Blower Brush Mower Trimmer Wire Cutter Pressure Washer Portable Inverter Generator Motorcycle Dirtbike ATV UTVParamotor Harley Dual Sport Golf Bike Outboard Car Jetski Pontoon Mercury Raceboat Hovercraft, etc.