The program shows you videos of aquariums in 4K resolution. That's four times Full HD resolution, 3840x2160 pixels. These are online (streaming) play, thus protecting your space. In the course of time more videos to come. In addition, new 4K videos in 3D Side by Side format are. - Support watchOS App now (included) New: - New 4K videos - Support watchOS App now (includes) Functions: - Video Length: 6 minutes each to 2h - HD quality 1080p, 4K - Chill Out Backgrund Music - Full screen possible - Output of the videos on Apple TV> TV - Adapted for iPhone and iPad (Universal App) - Works with iOS 8.0 or later - Background Music - Portrait and Landscape * The video quality may deteriorate if you do not have GPRS or UMTS the full bandwidth. The best quality can be reached within a WLAN network with full bandwidth.