ACCURATE: The meter can directly and accurately measure the active energy consumption DIGITAL DISPLAY: The LCD display shows 7 + 1 digits indicating the total power consumption HIGH QUALITY: It features high reliability, small volume, light weight, beautiful appearance, advanced technology, etc. DURABLE: It has good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability, anti-electricity theft and long life APPROPRIATE MESSAGE: This energy meter is suitable for measuring rated frequency 50Hz AC current, AC current, etc. AC Voltage: 4KV for 1 minute Impulse Withstand Voltage: 6KV - 1.2μS waveform Current Range Operating Current: 0.04A-60A / 0.08A-100A Over Current Withstand: 1800A / 3000A for 0.01s Operating Frequency Range: 50Hz ± 10% Internal Power Consumption: ≤2W / 10VA Test Output Flash Rate (RED LED): 500 pulses per kWh Pulse Output Rate (Pins 20 and 21): 500 pulses per kWh Power Indicator (Green LED): The multimeter is connected