Item Type: Power Factor Meter Material: ABS Weight: Approx. 139g/4.9oz Product Size: Approx. 82 x 55 x 65mm/3.2 x 2.2 x 2.6in Measuring Range: AC Voltage 200~450V, AC Current 0~100A. Active Power: 0~45000W Sampling Speed: 2 Times/Second Power Factor: 1.000~0.000 Time Accumulation: 0.00-999.59h Resolution: when the measured current is 10A, the current display resolution is 0.1A, and the range is automatically converted Package List 1 x Volt-Ammeter 1 x English Instruction 1. Please allow 0& 8209;2 cm 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. 1Multifunctional digital display meter can measure AC voltage and current. 2It can also calculate active power, reactive power and power factor. 3Rail mounted installation, convenient installation, the product has stable performance and high accuracy. 4It can be used in a variety of situations requiring measurement. 5The meter can measure AC voltage 200~450V, current 0~100A.