The Viewtron mobile DVR viewer allows users to view CCTV cameras that are connected to Viewtron video surveillance DVRs from iPhone, iPad, and iPod touch devices. Users are able to view their security cameras live from remotely over the Internet or on a local area network. App Features==========Viewing cameras is single, 4 camera, 9 camera, and 16 camera grid views.Control the pan, tilt, zoom controls of PTZ cameras from your iPhone and iPad.Direct select of PTZ preset locations is also supported.Search through and playback recording surveillance video that has been recorded to the DVR.Supports viewing CCTV and HD-SDI cameras.Video playback from HD-SDI cameras plays at HD 1080p resolution on iPad!IMPORTANT NOTE============The Viewtron app will ONLY work with Viewtron brand DVRs. Viewtron is manufactured by and directly sold by CCTV Camera Pros. For more information, please contact CCTV Camera Pros by visiting www.Viewtron.com.