1: press the switch to start the machine and open the scanner. The scanner will emit red light. If there is a camera, a bright spot will appear in the background of red light.
2. You can also press the frequency intensity of light switch again. There are a variety of light intensity options.
3. The handheld open scanner returns to the suspicious environment with red light.
4. Keep your eyes close to the scanner window with the laser lamp facing parallel to the front.
If there is a hidden lens, there will be a light when she makes a laser
