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 time 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. Easy Operation: The simple button operation allows you to easily switch between measurement modes and units, giving you a convenient measurement experience. 5. Convenient Use: This digital energy meter is compact and lightweight, easy to use and carry, convenient to use anywhere and suitable for home or factory use. Specification:Item Type: AC Power MeterMaterial: ABS, PCVoltage Range: 50-300VCurrent Range: 0-20AEnergy Range: 0.001-99999kwhTime Range: 0.1-999Temperature Range: -20-150Frequency Range: 50-60Hz. Package List:1 x AC Voltage Meter2 x Connecting Cables1 x User Manual