Description The item is a portable and practical round shaped quartz hour meter, which is specially designed for standard industrial timing and supplying data for the reference of maintenance duration for precision equipments. It is wdely used for tracking time on machinery such as engineering vehicles, various types of and other device where there is a need to record hours operated. Features - Color: Black.- Material: Durable plastic and metal.- Round shape 6 digital display quartz hour meter.- Compact size, can be operated within a wide voltage range.- Fits for a 2 inch round hole.- With waterproof and steady performance, the hour timer gauge is widely used for tracking time on machinery such as engineering vehicles, various types of and other device where there is a need to record hours operated. Specifications - Accuracy: ±0.01.- Voltage: AC /DC 10V-80V.- Power Consume: 0.3W.- Working Temperature: -10°C to +50°C.- Time Range: 1/10 to 99999.9 hours.Packing list: 1 * 10V-80V DC /AC 2-inch Round Gauge Hour Meter for Marine Boat Engine (Black)