What are the ways to find out the invisible camera in the room with a mobile phone?

Can teach you a simple and efficient way, buy a camera module, install it on your mobile phone, and find a hidden camera.

Even the electronic equipment will generate heat when it is working, and the thermal camera can quickly search the suspicious temperature in the hotel. Insert the camera module into the mobile phone, open the APP, you can view the thermal imaging pictures, arm the mobile phone into a camera, and detect the temperature of sensitive places such as bathrooms, bathrooms, air conditioners and nightstands. Usually, the hidden camera is in the recording state for a long time, and the ventilation and heat dissipation in the hidden position are not good, which will accumulate a lot of heat generated during operation. In the thermal camera screen, the hidden camera will present red and yellow high-temperature images, which are in sharp contrast with the normal temperature background, as shown in the following figure. The camera hidden in the doll shows terrible brightness on the screen of the mobile phone with camera module.

Compared with traditional methods such as signal detector, flashlight lighting, and mobile phone with camera to see reflection, thermal imaging module is more efficient in finding hidden camera on mobile phone, so you can buy one and try it yourself. The thermal imager can also be used for night walking, looking for pets, measuring human body temperature and other scenes. It has various functions and is suitable for people who often travel and stay in hotels.