How to judge whether the hotel has installed a camera?

There are many ways, but some things are invisible.

Turn off the lights in the room, and then use the strong light of mobile phone or flashlight to illuminate every corner. If there is a bright spot, it may be the camera.

Generally, some cameras need to be connected to the power supply, so at this time, you can also pay attention to the vicinity of electrical appliances or power switches and take a closer look.

According to the shooting angle. After all, sneak shots are for arresting people. Aim at the direction of the bed and bathroom. Take a closer look at these two places.

When you go out, you must choose some regular hotel chains, which is more secure. Try not to go to some hotels that are not chain hotels, which is very unsafe.