Find magnetic field generating objects with your device! The app works thanks to the device's built-in magnetometer! The sensor allows you to detect objects generating a magnetic & electromagnetic field like electronic devices (phones, wiretaps), sharp objects, metal screws, wires and much more! The app is perfect for: Construction workers & handymen -> - to find where in the walls are hidden wires - to determine the location of metal framing studs Students -> - for educational purposes like school projects and experiments Please note that Magnetic Detector PRO is not a replacement for professional metal detector devices and it should be used for private/entertainment purposes only.