There is a flashing white light on the ceiling of the hotel. Isn't the fire alarm red? Could it be surveillance?

That's a smoke alarm. As long as it's a regular hotel, there won't be a monitor. Don't go to an informal hotel.

The first thing to check when staying in the hotel is whether there is a place to hide the camera, whether there are some dead corners, and whether there are some tables and chairs facing the bed, such as sockets, televisions, wireless boxes, ceilings, light bulbs, bedside and so on. Check it carefully first.

There are bathrooms, showers, light bulbs, mirrors and so on. It also depends on whether the mirror is single-sided or non-single-sided. The method of inspection is to put the finger sleeve in front of the mirror to see if there is any gap in the mirror. The mirror is safe if the object and the mirror can't completely touch each other. If there is a gap between the physical object and the mirror image, you should pay attention.

Turn on the camera function of the mobile phone. Please note that some mobile phone cameras can filter infrared rays, so they cannot be checked. Turn off the lights in the room, close the curtains and leave the room in a dark state without any light. The darker the grid, the better! Then turn on the camera function of the mobile phone, walk around the room, remember not to flash, and check the dead corner of the room, ceiling, TV, air conditioning and other places where pinhole cameras may be installed. If there is a pinhole camera, you will see a red dot on your mobile phone. The red dot is a camera.

Because stealth cameras need to work for a long time, they generally don't need battery power. So the power supply is the indispensable fox tail of the camera. Cameras usually need to pull a power cord in a hidden place or be installed in electrical appliances, which is limited by the power-off law. In order to avoid sneak shots, we can choose to turn off the main power supply of the room before going to bed, so it is difficult for the pinhole camera to continue working without electricity.

It should be noted that if you sleep in a room with a computer, it is best to cover the camera with a computer to avoid video recording.