Features Comprehensive Measurement Capabilities: Displays voltage, current, power, and power factor simultaneously for accurate monitoring of your electrical systems Safe Embedded Installation: Flexible design minimizes breakage risk, with recessed voltage terminals to ensure protection against electric shock Innovative and Practical Structure: Features a built-in transformer for reliable performance, combining powerful functionality with an industrial design aesthetic Simplified Wiring Process: Eliminates confusion with a straightforward connection method, requiring only voltage wiring without the hassle of live and neutral distinctions Versatile Application Uses: Ideal for high and low power distribution cabinets, photovoltaic inverters, electronic maintenance, and DIY projects, making it a valuable tool for various needs Features: 1、AC digital multi？function meter can display voltage + current + power + power factor. The voltage measurement range is 40~400V, and the current measurement range is 0~100A. 2、Embedded installation method is flexible and not easy to break. The voltage connection terminal adopts the reced design to prevent electric shock. 3、Powerful function, simple design, industrial design, innovative and practical structure, integrated built？in transformer design. 4、Current non？ measurement, safe and non？heating, simple wiring method, abandon tedious and wrong connection (only voltage connection, no distinction between neutral wire of live wire). 5、Wide range of applications, suitable for high and low power distribution cabinets, showcase display racks, photovoltaic inverters, assembly line testing, electronic maintenance, electronic DIY, etc. Specification: Item Type: AC Digital Meter Material: ABS Color: As shown in the picture Overall Size: Approx.72.3x40x41.5mm/2.85x1.57x1.63in Model: PZEM - 028 Function: Test AC voltage, current, active power, power Display: STN full view LCD screen; Voltage + current + active power + power factor. Voltage: Test Range: 40~400V Display Format: between100V display such as: 80.0V ≥100V display such as: 220V Measurement Accuracy: ±1% Power Supply: AC: 110-220V 50/60HZ Current: Measuring Range: 0~100A Display Format: between10A display such as: 1.00A, between100A display such as: 10.0A, ≥100A display such as: 100A Power: Test Range: 0~22kW Display Format: between10W display such as: 5.0W, between100W display such as: 50.0W ＜1000W display such as: 500W, ＜10000W display such as: 5.00kW, ≥ 10000W display such as: 22.0kW Starting Power: 2.2W Measurement Accuracy: ±1% Power Factor: Measuring Range: 0~1 Display Format: Such as 1.00PF Other Functions: The Control of Backlight: The back Package List 1 x AC Digital Meter 1 x Instruction Manual