What is the function of wireless shutter remote control of SLR camera?

The function of the wireless shutter remote controller of SLR camera is to let the photographer take pictures remotely without photographic equipment. It is convenient to take selfies and group shots, and avoid camera shake that may be caused by manually pressing the shutter.

Tip:

1, using the camera's time-delay shooting function on the tripod, some functions of wireless shutter can be realized.

2. Using the 2-second delay on the tripod to avoid camera shake that may be caused by manually pressing the shutter is a common skill in professional photography.