With a magnificent price level, our trademarked Aaronia spectrum analyzer is an EMF meter with a high frequency range. It has a USB user interface with a great deal of special features. It has award winning REAL 3D (isotropic) magnetic sensor. This innovation has actually won "Item of the Year" in 2009. It comes with 1 year warranty to ensure your satisfaction and Mac OS, Linux and Windows software application free of charge. Likewise comes with: -Simultaneous screen of frequency and signal strength -Exposure limitation computation inning accordance with-- DIN/VDE 0848 -Quick FFT/DFT spectrum analysis -Hold function -High-performance DSP (Digital Signal Processor) -Audio: Internal speaker with volume control and 2.5 mm jack -Only weighs 480g