Features: LCD Display Wide Frequency Power Noise Measurement Instrument Evaluate power quality with wide frequency power noise testing, suitable for professional electronic engineers. Comprehensive Functionality This multifunctional instrument combines noise testing, ranalysis, and power interferences measurement capabilities, providing a complete power testing solution. Professional Electronic Engineers For professional who need to test and analyze power quality in product development and testing. Wide of Applications Perfect for laboratory testing of various electronic devices, assessing power noise in different equipment. Ensure Quality Standard Suitable for quality testing of power equipment on factory production, ensuring compliance. Specifications: Material: ABS Power Frequency: 50/60Hz Measuring Frequency: 300KHz-700KHz Size: About. 135x91x45mm/5.31x3.58x1.77in Pattern: 220-240/110-120 Plug: US/EU Package Includes: 1 Set Dirty Electricity Meter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.