How to detect Pinhole Camera in your bedroom after check in hotel?

Recently, the network claimed that it has a pinhole camera in sofa on front bed when he change slipper.

You would not find it, if you don’t see carefully.

How to detect there is camera or not?

Open your cell phone camera and don’t flash lamp then turn off the lights and draw the curtains. Turned around the room, there is pinhole camera when you red dot appear in your cell phone. If not, it did not.


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