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._x000D_ 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._x000D_ 3. Plastic Material: Voltage Meter is made with anticorrosion plastic materials, ensuring long lifespan. Providing high reliability and performance._x000D_ 4. Easy Replacement: Easy to install, with stable performance and resistant to damage. Practical diesel generator accessories that make replacing old parts easy._x000D_ 5. Improved Efficiency: Regularly replacing parts can enhance the efficiency and lifespan of the machine, making it highly suitable for long term use._x000D_ _x000D_ Specification: _x000D_ Item Type: Digital Voltmeter_x000D_ Signal Source: Mains Power Generator_x000D_ Voltage Detection Range: Input Voltage: 90-450V, Resolution: 1V, Display Method: XXX, Accuracy: 1.5 Level (Decimal Voltage Is Calculated Using Rounding)_x000D_ Frequency Detection Range: 0-99Hz, Resolution: 0.1Hz, Display Method: XX: X, Accuracy: 2.5 Level_x000D_ Cumulative 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)_x000D_ Display Method: 3 Digit Led Digital Display_x000D_ Wiring Method: Plug In Connection_x000D_ Installation Method: Snap Fastening_x000D_ Model: 91-3 Single Phase 3 Phase_x000D_ Operating Temperature: -25-70_x000D_ Storage Temperature: -40-70_x000D_ Humidity: (20-90)%_x000D_ Material: plastic_x000D_ colour: Black_x000D_ _x000D_ Package Contents: _x000D_ 1 x Digital Voltmeter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_