Swann SWDVK-430004-US TruBlue D1 3000 4CH DVR/4 600TVL Camera (Black) Includes 4 x high resolution 600 TV lines 1/3 inch SwannTruColour (STC) video & powerful infrared night vision Set & forget by recording continuously from 4 channels for 30 days+ onto a 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