Feature: 1. AC dual‑display ammeter and voltmeter, the measurement range is AC 80V‑400V, and the voltage measurement error is 1% ± 2 digits. 2. The large‑screen LCD display, can measure and display AC voltage and current at the same time, which is easy to use. 3. Using intelligent metering chips, large‑scale integrated circuits, stable and reliable, high‑accuracy, and small errors. 4. Equipped with precise transformer, the measurement is accurate and fast, the response is sensitive, and it is easy to connect. 5. The digital voltmeter head is small size and lightweight, easy to carry, durable and corrosion‑resistant, and has a long service life. Specification: Item Type: Current Voltage Meter Material: ABS Model: QH4835A Power Supply: AC80-400V Basic Parameters: Measuring Range: AC 80V-400V Ambient Temperature: -10-50℃ Voltage Measurement Error: 1%±2digits. Package List: 1 x Current Voltage Meter1 x Power Cord1 x Precise Transformer Note: This module is suitable for indoor use and not suitable for outdoor use. The load cannot exceed the rated voltage, and the current wiring sequence must not be mistaken.