H. 264 4 channel real time viewing DVR with 4 pcs hd ahd camera cctv system

*Audio Input/Output: RCA 4CH In/ 1CH Out
*Compression Method: H.264
*AHD: 720P, PAL@1fps-25fps adjustable; NTSC@1fps-30fps adjustable;
*Analog: 960H/D1, PAL@1fps-25fps adjustable; NTSC@1fps-30fps adjustable;
*IPC: 720P, PAL@1fps-25fps adjustable; NTSC@1fps-30fps adjustable;
*Preview resolution: 720P/960H;
Multi-channel playback: 4CHx720P
*Hexaplex operation simultaneously: Live, Recording, Playback, Network Operating
*Static, Dynamic IP and DDNS, P2P, Support IE and Special Client Software
*PTZ, 2×USB, 1xRJ45, 1xIR Controller
*1 SATA Hard Disk Interface (Up to 4TB)
*Backup: USB2.0 (such as U disk, USB Drive) and network
*Support remote view by Mobilephone (iPhone, iPad, Android, Windows Phone)
*DC 12V2A (with adaptor, without hard disk)
*Dimention of HVR (LxWxH): 250*210*45 (mm)
*Weight of Kit: 6 kgs