Mechanical Chronograph Marine Boat Engine Round ACDC Truck Chrono Hour Meter

1. The timer has a 6 digit display with the least significant digit being 1/10 hour (99999.9) and operates on in put voltages from 8 to 80 Volts DC.
2. The hour meter timing mechanism contains a quartz oscillator which provides a high degree of accuracy. It is designed to withstand vibration and shaking up to 8g and is rated to work between 15 degrees to 132 degrees Farenheit.
3. The hour meter fits in to a 2 inch round hole and includes an adjustable retrainer clip so that the meter can be mounted on material up to 9/32 inch thick. Meter depth behind the panel is 1.5 inches.
4. Water Resistant: can be submerged to a depth of 18 inches of water.
5. Fits 2 inch Round cut out., 2.25 inch outside diameter.