Feature: 1. Long Life: The analog voltmeter is robust and can withstand harsh environments and weather, the transparent cover is dust and water resistant and has a long life. 2. High Accuracy: This analog voltmeter is highly accurate, reliable and not prone to errors. Stable operation and excellent performance when in use. 3. Excellent Contact: This analogue voltmeter has excellent performance and excellent contact, making it ideal for use with generators. 4. Transparent Housing: This analogue voltmeter has a transparent plastic housing which allows the digits inside to be seen clearly. 5. Wide Application: This analogue voltmeter is widely used in the operation, maintenance and management of mobile phone repair machinery, power electronics measurement, laboratory measurement and calibration, field circuit testing, power distribution facilities, aviation and other industries. Specification: Item Type: Analog Voltmeter Material: ABS and stainless steel Model: 3015235 Indication Range: 20 to 32V Operating Voltage: DC24V Installation Size: Approx. 52mm / 2.05in Introduction: The voltmeter is a protective device for the generator, it is connected to the controller to protect the generator from normal operation. When the generator is at an abnormal level, the sensor sends a signal to the controller which then issues a warning to ensure that you will find the problem.. Package List: 1 x Analog Voltmeter