Features: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.Specification:Item Type: Power Factor MeterMaterial: ABSWeight: Approx. 139g/4.9ozProduct Size: Approx. 82 x 55 x 65mm/3.2 x 2.2 x 2.6inActive Power: 0~45000WSampling Speed: 2 Times/SecondPower Factor: 1.000~0.000Time Accumulation: 0.00-999.59hResolution: when the measured current is 10A the current display resolution is 0.1A and the range is automatically convertedPackage List:1 x Volt-Ammeter1 x English InstructionNote:1. Please allow 02 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.