The description of Real metal detector with sound: metal finder app
This app measures magnetic field value using the built-in magnetic sensor that is built into your device. The magnetic field level(EMF) in nature is about 49μT(micro tesla) or 490mG(milli gauss); 1μT = 10mG.
Metal Detector is an Amazing tool that uses magnetic sensor to find the metal surrounding you. If there is any metal in the area, the strength of the magnetic field should increase. Turns your cell phone into a real metal detector making your friends and family jealous about your phone
FEATURES of Metal detector:
- Detection of metals around the phone through the magnetic field - Alarm activation when magnetic field crosses a limit - Settings for alarm limit, beep sound and vibration - Very easy to use. - Value below or equal zero suggests that metal doesn't exist. - Best sensor and indicator. - Works conjointly through walls! notice hidden electrical wires and metals. - Make cool graphical charts of flux intensity.