How to prevent traveling and staying in hotels with hidden cameras?

2. When entering the room, first turn off the lights, close the curtains, keep it absolutely dark, turn on the camera of the mobile phone, and carefully and slowly scan every corner of the room. Once a bright spot appears on the screen of the mobile phone, it is likely to be a miniature camera.

But some mobile phones can't use this method, because their cameras have their own devices to filter red light.

3. Flashlight inspection

Use a flashlight to check all exposed holes in the room, such as vents and power outlets. If there is a camera with hidden pinhole, you can find the reflector by flashlight irradiation.

4, infrared flashlight survey

Because the appearance of the camera is curved, the infrared flashlight can have a very obvious red reflection.

1, anti-sneak shot APP

This application is also called camera detector. Its main principle is to detect whether a camera is connected to the same WiFi. However, this APP also has some shortcomings, that is, not all sneak shots are connected to WiFi, and some are not detected by anti-sneak shots software.