When using Link123 (Camera and Smart device are connected by wifi) can offer you those easy funtions for better life . Functions:1. Remote control : control the camera form smart device 1-1: Romote shutter - Taking photos Adjusting camera settings 1-2: Camera Link- Viewing camera photos on smart device Storing photos form camera to smart device .2. Download GPS data to geotag photos stored in camera 3. Select photo and save them into smart device, it allows you to share photos to SNS .