USG Business Grade 16 Channel Security DVR + 4TB HDD: 960H, 1080P, 480FPS, Up To 8TB HDD, 4 Ch Audio In, 1 Ch Line In, 3 Video Out, 4 Ch Alarm In, PTZ, Motion Detection, View Phone Business Grade Video Surveillance 16 Channel Security Digital Video Recorder (DVR) / 4TB Seagate Surveillance Hard Drive Included Alarm Input + Output, Audio Input + Output, BNC, VGA + HDMI (1080p) Video Output Supports Analog Format Cameras (960h, &lt;3600TVL) + AHD Format Cameras (720p, 1080p) + IP Format Cameras (1080p) ***** 480 Frames Per Second, 960H (960 x 480) Record & Playback Resolution = 960H @ 30FPS Per Channel x 16 Motion Detection / View Live & Recorded Video Remotely On Your iPhone, Android, Windows, Blackberry, Apple, Microsoft, Laptop, Desktop, Tablet Anywhere In The World With An Internet Connection ONLY when purchased from seller Urban Security Group, you buy with confidence knowing: 3 Year Warranty + Lifetime AMERICAN Customer Support + 90 Day No-Questions-Asked Return Policy + Every Product Tested Prior Shipping