It is AC Digital Tester/4in1 AC Voltmeter/Ammeter/Power Meter/Energy Meter, Voltage Measuring Range: AC 80.0~300.0V, Current Measuring Range: AC 0~99.99A, Active Power Measuring Range: 0~30 000W, Electric Energy Measuring Range: 0~9 999 999kWh, It has small size, high efficiency, long term stable and reliable quality,easy installation and use. Applications:Suitable for industrial equipment,electronic equipment measurement or other products voltage/current /Power /Energy measurement.