Metal detector (max, min) Android App

The description of Metal detector (max, min): The metal detector for android. This app detects nearby electromagnetic fields using the phone 39 s built in magnetometer. You can use it to detect metals near by. It displays the current metal detector and button shows the maximum and minimum values . When do you use this app? Works through walls! Detect hidden electrical wires. Metal detectors can be used as emf detector and emf sensor. You are going on hunt to find gold precious metals on beach or mountains. Features metal detector displays the x y z components of the magnetic field. Displays cool charts. Sound vibration alarm free maximum minimum value check..