Hangzhou couples rent a house to surprise the camera, and all the privacy is leaked. How to find a pinhole camera when going out?

The first method: pay attention to observation. First of all, from the hotel's point of view. If you put a camera, it will only be placed on the bed and the bathing place. So, look around the bed, see if there are any unreasonable or strange places, bathing items. The second method: check the electrical appliances. The current pinhole camera is small and difficult to find, but relatively speaking, it also consumes electricity, so it may be placed next to electrical appliances, televisions, air conditioners, electric fans and so on. The third method: mobile phone check, first close the doors and windows, turn off the lights and TV, and leave the room in a dark state. Then turn on the mobile phone camera and aim at every place in the room in turn. The appearance of little red dot shows that there are cameras! Note that the pinhole camera is most easily found when it is away from the mobile phone 1 m. Please pay attention to the distance Don't worry when checking, be patient. In addition, if there is a mirror in front of the bed, point the phone at the mirror. If there is a distance from the mirror, there is probably a sandwich inside, which needs to be carefully checked.