Feature: 1. Digital Voltmeter: It features high measurement accuracy, good stability, intuitive readings, and strong anti interference capabilities, making it an Perfect replacement for traditional pointer instruments.2. Function: The digital voltmeter is a digital instrument used for real time measurement and indication of AC voltage, frequency, and cumulative running time in electrical circuits such as generators.3. Plastic Material: Voltage Meter is made with anticorrosion plastic materials, ensuring long lifespan. Providing high reliability and performance.4. Easy Replacement: Easy to install, with stable performance and resistant to damage. Practical generator accessories that make replacing old parts easy.5. Improved Efficiency: Regularly replacing parts can enhance the efficiency and lifespan of the machine, making it highly suitable for long term use.Specification:Item Type: Digital VoltmeterSignal Source: Mains Power GeneratorVoltage Detection Range: Input Voltage: 90-450V, Resolution: 1V, Display : XXX, Accuracy: 1.5 Level (Decimal Voltage Is Calculated Using Rounding)Frequency Detection Range: 0-99Hz, Resolution: 0.1Hz, Display : : X, Accuracy: 2.5 LevelCumulative Operating Time: Cumulative Running Time Of The Generator With Power Outage Time Saved, 3 Digit Led Display With A Timing Range Of 999 Hours (In Hours)Display : 3 Digit Led Digital DisplayWiring : Plug In ConnectionInstallation : Snap FasteningModel: 91-3 Single Phase 3 PhaseOperating Temperature: -25-70Storage Temperature: -40-70Humidity: (20-90)%Material: plasticcolour: BlackPackage Contents:1 x Digital VoltmeterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.