Features: 1.5 class high level accuracy, quick and accurate measurement, AC 0?500V range measuring. 2.Used for measurement and observation of AC voltage, to know the current state of the generator at any time. 3.White dial and clear printed black character, a button for fine tuning the dial, clear and easy to read scale. 4.All meters are equipped with setting adjustment buttons, which have been adjusted before leaving the factory which can be adjusted freely. 5.Connect the positive and negative poles to the power cord, install the meter in the central control position, or in other places where you need it to detect the current. Specification: Item Type: Voltmeter_x000D_ Material: ABS_x000D_ Dial Color: White_x000D_ Measuring Range: AC 0?500V_x000D_ _x000D_ Application: Used for Boat Cabin Dash Instrument