Ultimate EMF Detector Free (Real data)

A simple EMF detector! The detector is as ACCURATE as the sensor of your device. Both Pro and Free have: Magnetic Field B in microTesla, Gauss and milliGauss. Auxiliary Field H in ampere per meter. Recorder feature. Data can now be saved live on text file for later use on a computer. This requires the permission to read and write on external storage. Keep screen ON button.