Huawei Honor 7x Device Training page 30

3.8 Laser
What are laser functions and effects?
The phone has the laser component, which can be used to accelerate focus speeds under viewfinder,
shooting, and recording scenarios in wide aperture effect.
To have better user experience, the laser hole must be kept clean and free of stains.
What is the working range of laser?
The working range for laser is 2 meters. The focus mode will switch to the other mode to ensure the focus
effect when the distance is much longer than 2 meters.