Features: 1. High Accuracy: The hour meter's timing mechanism contains a quartz oscillator to ensure a high degree of accuracy; indication range is 99999.9 hours; operating voltage is DC (12-36)V. 2. Multipurpose: Hour meter can be used for any device where time is used to determine oil change intervals, service requirements, or where there is a need to record hours operated. 3. Sturdy Construction: Outboard engine hour meter is made from ABS and metal material, splash resistant, impact proof, not easy to break or crack. 4. Applicable Models: Mechanical hour meter can be used for engines of ships, automobiles, trucks, tractors, and other mechanical equipment. 5. Portable and Easy to Use: Professional manufacturing, engine hour meter offers high performance and strong reliability, compact and lightweight, easy to carry and store. Specification: Item Type: Hour Meter Material: ABS + Metal Function: Used for determining maintenance time, oil change intervals, service requirements, or any other equipment that needs to record hours of operation Applicable Models: Engines of ships, automobiles, trucks, tractors, and other mechanical equipment Note: These meters are not waterproof, only splash resistant; The item does not have the function of automatically resetting to zero