The Amcrest View app is designed to be amazingly easy to set up. Simply use your smartphone's camera to scan the QR code sticker on the DVR unit, enter a name for the device, and tap "Start Live Preview." Now you're connected. The app's Live View interface includes options for controlling pan/tilt/zoom (when PTZ cameras are connected), toggling channel views, customizing the number of video screens, switching between main and sub-streams, capturing screenshots, recording video to the phone's internal storage, and toggling sound. The Amcrest View app also includes a Playback Interface so that locally recorded files can be instantly viewed on the phone: anytime, anywhere.