1. Feature: It has high measurement accuracy, good stability, intuitive readings, and strong anti-interference capabilities, making it a suitable 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: The voltage meter is made of anti-corrosion plastic materials, ensuring a long lifespan and providing certain reliability and performance. 4. Easy Replacement: It is easy to install, with stable performance and resistance to damage. It is a practical generator accessory that makes replacing old parts relatively easy. 5. Improved Efficiency: Regularly replacing parts can enhance the efficiency and lifespan of the machine, making it suitable for long-term use. Specification: 1. Item Type: Digital Voltmeter 2. Signal Source: Mains Power Generator 3. Voltage Detection Range: Input Voltage: 90 - 450V, Resolution: 1V, Display: XXX, Accuracy: 1.5 Level (Decimal Voltage Is Calculated Using Rounding) 4. Frequency Detection Range: 0 - 99Hz, Resolution: 0.1Hz, Display: X, Accuracy: 2.5 Level 5. 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) 6. Display: 3 Digit Led Digital Display 7. Wiring: Plug In Connection 8. Installation: Snap Fastening 9. Model: 91 - 3 Single Phase 3 Phase 10. Operating Temperature: -25 - 70 11. Storage Temperature: -40 - 70 12. Humidity: (20 - 90)% 13. Material: plastic 14. Colour: Black Package Contents: 1. 1 x Digital Voltmeter Only the above package content is included, and other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement error is allowed to be +/- 1 - 3cm.