It introduces an embedded LINUX operating system which offers a more stable performance and adopts a standard H.264 video compressed format which insures high quality images. * This DVR has a strong network service that greatly enhances the network data transmission capacity and remote control capabilities. * This 8 channel Standalone DVR Support iPhone, Android, Blackberry, Symbian and Windows mobile; View any time, any where! * This DVR can be completely controlled by the remote, the mouse or the buttons on the fascia, makes it a really handy and user friendly device. * Recording mode: Manual recording, timing recording, motion detection recording and external alarm recording. Support up to 2TB Hard Disk;