Brand – Hikvision, Model – DS-7204HGHI-F1, Type – 04 Channel TVI DVR, Number of Input Channel – 04 Channel, Video Input Channel (BNC) – BNC (1.0 Vp-p, 75??), Video Compression/Format – H.264, Video Output (VGA) – 1920 x 1080 / 60 Hz, 1280 x 1024 / 60 Hz, 1280 x 720 / 60 Hz, 1024 x 768 / 60 Hz, Video Output (HDMI) – 1920 x 1080 / 60 Hz, 1280 x 1024 / 60 Hz, 1280 x 720 / 60 Hz, 1024 x 768 / 60 Hz, Video Recording Res. – 720p, Audio Input Channel (RCA) – RCA (2.0 Vp-p, 1 k??), Audio Compression – G.711u, Audio Output Channel – 1-ch RCA(Linear, 1k??), Two way Audio – 1-ch, RCA (2.0 Vp-p, 1 K??) (using audio input), Frame Rate – 1/16 fps – Real time frame rate, Stream Type – Video/Video & Audio, Dual Stream Support – Support, Number HDD Interface (SATA) – 1 x SATA, Max HDD Support (GB,TB) – Up to 6 TB capacity for each disk, Network Interface (RJ45) – 1 x 10M / 100M self-adaptive Ethernet, USB Port – 2 x USB2.0, Power Supply – 12V DC, Dimension – 260 x 222 x 45mm, Others – Supported camera Models: DS-2CE16C0T-IR, DS-2CE16C0T-IRP, DS-2CE56C0T-IR, DS-2CE56C0T-IRP, DS-2CE16C0T-IT3, DS-2CE56C0T-IT3, Support AHD input: 720P/25, 720P/30, CVBS, IP Video Input: 1-ch Up to 960P resolution, Recording resolution: Main stream: 720P / WD1 / 4CIF / VGA / CIF ;Sub-stream: 2CIF (non-real-time) / CIF, Video Bit Rate: 32 Kbps – 4 Mbps, Audio Bit Rate: 64kbps, Playback Resolution: 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF, Remote connections: 32, Port: RS485 Port Available, Warranty – 1 year