1Multifunctional digital display meter, AC voltage measurement range is 200450V, current range is 0100A. 2Automatic range conversion, high accuracy, used in a variety of occasion requiring measurement. 3It can measure AC voltage and current, and calculate active power, reactive power and power factor at the same time. 4Rail type voltage current meter, sampling speed is 2 times per second, easy to install and use. 5When the measuring current10A, the current display resolution is 0.01A; when the current10A, the resolution is 0.1A.Item Type: Voltage Current MeterMaterial: ABSWeight: Approx. 129g / 4.6ozProduct Size: Approx. 82x55x65mm / 3.2x2.2x2.6inMeasuring Range: AC Voltage: 200-450V, AC Current: 0-100AActive Power: 0-45000WSampling Speed: 2 times per secondPower Factor: 1.000-0.000Time Accumulation: 0.00-999.59hResolution: When the measured current is less than 10A, the current display resolution is 0.01A, when the measured current is greater than 10A, the current display resolution is 0.1A, the range is automatically converted1 x Voltage Current Meter1 x English Manual1.Please allow 0&8209;1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.