Brand - Hikvision, Model - Hikvision DS-7204HUHI-F2/N, Type - TURBO HD DVR, Number of Input Channel - 04 channel, Video Input Channel (BNC) - 4-channel, BNC Interface (1.0Vp-p, 75 omega), Video Compression/Format - H.264/H.264+, Video Output (VGA) - 1-channel, 2K (2560 x 1440)/60Hz, 1920 x 1080/60Hz, 1280 x 1024/60Hz, 1280 x 720/60Hz, 1024 x 768/60Hz, Video Output (HDMI) - 1-channel, 4K (3840 x 2160)/30Hz, 2K (2560 x 1440)/60Hz, 1920 x 1080/60Hz, 1280 x 1024/60Hz, 1280  720/60Hz,1024 x 768/60Hz, Video Recording Res. - 1080p, Max. Video Recording Res. - 1080p, Video Bit Rate - 32 Kbps to 10 Mbps, Audio Input Channel (RCA) - 4-channel, RCA (2.0 Vp-p, 1K omega), Audio Compression - G.711u, Audio Output Channel - 1-channel, RCA (Linear, 1K omega), Two way Audio - 1-channel, RCA (2.0 Vp-p, 1K omega), Audio Bit Rate - 64 Kbps, Frame Rate - Main stream: 3 MP 15fps; 1080p/720p/WD1/4CIF/VGA/CIF 25fps (P)/30fps (N), Sub-stream: WD1/4CIF 12fps, CIF/QVGA/QCIF 25fps(P)/30fps(N), Stream Type - Video/Video & Audio, Dual Stream Support - Yes, Live View / Playback Resolution - 3 MP/ 1080p/ 720p/ VGA/ WD1/ 4CIF/ CIF, Synchronous Playback - 4-channel, Network Protocols - TCP/IP, PPPoE, DHCP, Hik Cloud P2P, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP, HTTPS, ONVIF, Number HDD Interface (SATA) - 2 SATA, Max HDD Support (GB,TB) - Up to 6TB capacity for each disk, Max. Storage Support - 6TB, Network Interface (RJ45) - 1, RJ45 10M/100M/1000M self-adaptive Ethernet interface, Serial Interface - 1; standard RS-485 serial interface, half-duplex, USB Port - 2 x USB 2.0, Remote Connections - 128, CVBS Input - Yes, Power Supply - 12 VDC, Power Consumption - <-15 W, Dimension - 380 x 320 x 48mm, Weight (Kg) - <-1.5 kg, Others - For: 3MP, HD TVI,AHD, Analog (All types of Hikvision CC Camera), CVBS Output: 1-ch,BNC(1.0Vp-p,75), resolution:PAL:704 x 576, NTSC: 704 x 480, Part No - DS-7204HUHI-F2/N, Warranty - 1 Year, Country of Origin - China, Made in/ Assemble - China