All devices detector app will shield your security and protect you from hidden camera and mic. you can call this as Listening gadget and bug detector.
All devices detector app works using magnetic sensor of your phone, when you want to detect hidden devices just open the app and move your phone near any place you want to detect, when the app find any hidden devices around you it will start beeping and vibration so you have to check the place deeply to find out what inside.
detect hidden camera and use this app as a bug detector scanner. Bug detector or bug detection will locate hidden camera. this magnetic radiation meter show reading and possibility of microphones. so, scan hidden camera in bathroom and bedroom.
You can use All devices detector app, when you want to detect some AC live wires, metal pipe and hidden devices the wire finder app will show you dB value on screen, when the dB value increase from 40uT to onward its mean the app detect hidden metal objects inside the walls, underground, floor or in ceiling.
The Detector can be downloaded free of charge and is a perfect choice for detecting concealed cameras and detectors. You may also use a secret cam tracker to locate a surveillance camera or find camera in hotel rooms, toilet change rooms, etc.

Warning: meter function needs to have the magnetic sensor in your phone, the other wise this feature will not work.