Features Waterproof and Shockproof: Hours timer meter has a waterproof and stable performance. It has a small shape and is a very practical shockproof timer. Used for Counting: The quartz hour instrument is specifically designed for standard industrial timing and provides data to refer to the maintenance time of accurate equipment. Widely Used for: Shockproof timers can be widely used for tracking time, such as engineering vehicles, various types of cars, and other equipment that requires recording working hours. 6 -Digit Number Display: Engineering vehicle shockproof timer is a 6 -digit display, which is a professional timer equipment. Precise Manufacturing Process: The timer is a selected electronic component, which has a precise manufacturing process to ensure durability and protection. Features: 1.Novel design, compact size and high accuracy. 2.Stable performance, long lifespan. 3.Convenient to use, easy to carry. 4.6 digital display hour meter, easy-to-read. 5.Perfect for providing standard industrial timing and supplying data to accurate equipments, such as engineering vehicles, various types of cars and other devices. Specification: Model: SH-748 Count range: 99999.9 hour Count accuracy: ±0.01     Zero resetting device: No      Voltage: 12V-36V AC/DC Power: 0.3W Operation temperature: -10℃--50℃ Relative humidity: full sealed  Seismic amplitude: 10-70HZ 1--8g(Heavy strength) Weight: 123g Package List: 1 x Quartz Hour Meter  1 x Set Connection Terminals Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Quartz Hour Meter 1 x Set Connection Terminals