How to adjust the self-timer of Sony camera rx 10iii?

Sony camera rx 10iii is a telephoto digital camera introduced by Sony. It uses a zoom lens equivalent to 24-600mm F2.4-4 to locate the travel camera. Because there is no 180 degree flip screen, self-timer needs the help of a mirror or other equipment.

1. Stand in front of the mirror, aim the lens at yourself, and then look at your position in the mirror reflection to shoot.

2. Take a picture of yourself in the mirror with the camera.

3. The camera is connected to the display to take a selfie.

4. The mobile phone controls the camera to take a selfie, and relevant APP software needs to be installed.