How to detect HIDDEN CAMERA


How to detect HIDDEN CAMERA


How to detect HIDDEN CAMERA in trial rooms.........
Infront of the trial room take your mobile and make sure that your mobile can make calls....

Then enter into the trial room, take your mobile and make a call.....

If you can't make a call......!!!!

There is a hidden camera......


This is due to the interference of fibre optic during the signal transfer...... 

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