Description: Made of high quality plastic material, durable and sturdy. These DC Panel Voltmeters are specially designed for measuring and monitoring battery and electrical systems. Clear and easy-to-read scale and a knob for fine-tuning the dial. Panel Voltmeter measures voltage range with an accuracy of Class 2.5. Easy and convenient wiring, embedded installation. Specification: Material: plastic. Accuracy: Class 2.5. Insulation resistance: 20MOmega/DC500V. Damping time: 4s. Operating conditions: -20 40 , Relative humidity 85% Storage temperature: -40 70. Insulation strength: AC voltage 50Hz, 2KV for 1 minute. Total size of the meter: approx. 63x56x58mm. Package includes: 1 Piece DC Analog Panel Voltmeter. Note: The color might be slightly different due to the color calibration of each individual monitor. Please allow a slight measurement deviation due to manual measurement.