How does vivo mobile phone capture and monitor infrared night vision light?

Turn off all the lights in the room, close the curtains to make the room in a very dark environment, then turn on the mobile phone camera and take pictures of the room. If there are red dots on your lens, these are infrared pinhole cameras. Keep the room in a dark environment, turn on the flashlight of the mobile phone, turn the brightness of the flashlight to the highest, and shine on the place where you think you can install the camera in the room.

If the light reflects, there is a camera. Turn on the video recording function of the mobile phone and aim the camera at the key parts. If there is an infrared light, pay attention to the picture of the mobile phone framed by the camera and aim at the socket, corner, air outlet, etc. Where the camera may be hidden, the brightness of the mobile phone screen will be uneven. The position with uneven brightness is the position of pinhole camera.