Swann Full HD (1920 x 1080) Security System, 8Ch 2TB DVR with 4 Full HD 1080P Weatherproof Aluminum Surveillance Cameras, Motion Detection Day/Night (SWDVK-846004) A state of the art surveillance system with 1080p Full HD video resolution Seeing is believing with 4 x 1080p HD (2 Megapixel) Cameras Set & forget by recording continuously from 8 channels for 160 days+ onto a 2TB hard drive, even longer with motion detection Expand by adding 4 Swann PRO-A855 or PRO-A856 cameras for full 8 channel monitoring Handheld Device Supported:iOS, Android 3G/4G Smartphones and tablets ;Save time & have peace of mind by easily locating incident video, then transfer to external storage via USB or network