SwannSWDVK-825554-US 8-Channel DVR and 4 x 540 TVL Cameras (Black) Set & forget by recording continuously from 8 channels for 15 days+ onto a massive 500GB hard drive, even longer with motion detection Save time & have peace of mind by easily locating incident video, then transfer to external storage via USB, eSATA or network Setting up remote viewing has never been easier with Swann's 'My DVR' customizable network configuration Surveillance in the palm of your hand with live viewing on 3G/4G-enabled Smartphones & tablets including iPhone, iPad, Android devices, BlackBerry devices and more*, and remote notification via email