Be protected & see every detail in HD with Swann's SWDVK843504US Surveillance System. A state of the art surveillance system with 720p video resolution Set & forget by recording from 8 channels for 80 days using motion detection onto a massive 1TB hard drive. Seeing is believing with 4 x 720p HD cameras to view more detail including wider image, realistic colors & more. Expand by adding 4 Swann PRO-T845 cameras for full 8 channel monitoring. Save time & have peace of mind by easily locating incident video, then transfer to external storage via USB or network. View live or playback multiple video streams in high definition on your HDTV, LCD screen or monitor via HDMI connection or VGA port. Connect in minutes using SwannLink Peer-to-Peer easy network connection software. Surveillance in the palm of your hand with live viewing on 3G/4G-enabled Smartphone & tablets including, iPhone, iPad, Android devices and more* using the free SwannView Plus app.