Feature: 1. Dual digital display voltage current meter, adopts embedded installation, which is flexible and easy to install. 2. Equipped with HTN wide viewing angle LCD display, which can directly display voltage and current. 3. It supports backlight controling, which can be turned on or off by short keystrokes, and can be used normally at night. 4. Current non‑contact measurement, the measurement range is AC 0‑100A, with high accuracy, safety and reliability. 5. Mainly used in high and low voltage power distribution cabinets, showcases, photovoltaic inverters, assembly line testing, electronic maintenance, etc. Specification: Condition: 100% Brand New Item Type: Voltage Meter Material: ABS Model: PZEM-026 Voltage measurement range: AC 40-400V Display format: when <100V, display such as: 80.0V; when display ≥100V, display such as: 220V Accuracy: ±1% Current measurement range: AC 0-100A Display format: when <10A, display such as 1.00A; when <100A, display such as 10.0A; when ≥100A, display such as 100A Starting current: 0.02A Accuracy: ±1% Error Adjustment: The product has been 100% calibrated before leaving the factory, and the user can manually adjust the error, as shown below: Step 1: Long press the button (about 3 seconds) until the numbers on the screen start to flash, then release the button Step 2: The number flashing indicates that it has entered the "error adjustment" state, the numbers flashing cyclically, the sequence is: high voltage-medium voltage-low voltage-decimal point voltage-high current-medium current-low current- The current decimal place; flashing indicates the current adjustable number, short press the button to adjust the integer (number 0-9 cycle, decimal point shift) Step 3: After adjustment, please press and hold the button (about 3 seconds), the screen will display "PASS" and return to the normal interface, indicating that the adjustment is successful. Package List: 1 x Voltage Meter1 x Manual