You may refer to the following steps to use the pan/tilt/zoom function of Reolink cameras via Mac Reolink Client.
Step 1. Launch Reolink Client and log in to the camera, then unfold PTZ menu on the right side.
Step 2. Click the directional arrows on the pan/tilt wheel to manually control the direction of the camera.
Or click the button in the middle to start an automatic scan, then tap on it again to stop it in the direction you prefer.
Click to zoom in or click to zoom out the camera image.