Features: 1. Made of high quality materials with high accurate. 2. Time tracking for machinery such as ships, cars, trucks, tractors, etc. 3. Used to determine the oil change interval, use any other equipment that requires or records the working time. 4. Easy to install, convenient to use. 5. High reliability, wide operating voltage and temperature range. Specification: Condition: 100% Brand New Item Type: Hour Meter Color: Black Material: Plastic Working Voltage: DC12-36V Package List: 1 * Hour Meter 1Made of high quality materials with high accurate. 2Time tracking for machinery such as ships, car, trucks, tractors, etc. 3Used to determine the oil change interval, use any other equipment that requires or records the working time. 4Easy to install, convenient to use. 5High reliability, wide operating voltage and temperature range.