Feature: 1. Accurate Measurement: This digital power meter can measure AC voltage of 50-300V and current of 0-20A, with high accuracy and wide application range. 2. Multiple Functions: This multifunctional meter can also measure energy, humidity and frequency, with 0.1-999 hours timing range, meeting more measurement needs. 3. Digital Display: This energy meter is equipped with a digital display, clear and intuitive, easy to read and record, greatly improving measurement efficiency. 4. Simple Operation: The simple button operation allows you to easily switch between measurement modes and units, providing you with a convenient measurement experience. 5. Convenient Use: This digital energy meter is compact and lightweight, easy to operate and carry, convenient to use anywhere, and suitable for home or factory use. Specification: Item Type: AC Power Meter Material: ABS, PC Voltage Range: 50-300V Current Range: 0-20A Energy Range: 0.001-99999kwh Timing Range: 0.1-999 Temperature Range: -20-150 Frequency Range: 50-60Hz. Package List: 1 x AC Power Meter 2 x Connection Cables 1 x User Manual