EMF detector TES1393 offer - fast, reliable and easy way to measure contains the power lines, home appliances and industrial equipment, electromagnetic radiation levels. With value for money, portable and convenient, and can measure different bandwidth electromagnetic radiation. Can be displayed simultaneously micro Tesla and milli gauss two kinds of units. Data lock, maximum / minimum lock function. Data memory and read function with 999 document (s) Application: Specially designed for power lines, computer screens, television, VCR, and many other related equipment measuring electromagnetic radiation generated