Sumas 8-Channel Standalone Network DVR Surveillance Kit w/Smartphone Remote Access, 1TB Hard Drive, 6 IR Cameras & DVD&plusmn;RW Drive Sumas 8-Channel Standalone Network DVR Surveillance Kit General Features: Do it yourself home and small business surveillance system 8-Channel Standalone Network DVR Features: 1 Terabyte (1TB) SATA hard drive pre-installed (one SATA hard drive slot, supports up to 2 TB) Built-in DVD RW drive for easy transfer of recorded data