Swann SODVK-244344-US 4300 24 Channel 960h DVR and 700 TVL Cameras (Black/White) 24 Channel DVR with 960H widescreen DVD-quality resolution 4 Indoor/outdoor 700TVL wide angle cameras with 50' night vision 4 Vari-Focal Indoor/outdoor 700TVL cameras with up to 65' night vision 2TB SATA2 hard drive PC and Mac Remote Viewing Capability. iPhone, iPad and Android viewing via Free App