Hikvision 24-Channel Turbo HD DVR

Video/Audio Input Audio Input: | 4-ch Video Compression: | H.264 Analog and HD-TVI video input: | 24-ch, BNC interface (1.0Vp-p, 75 Ω) Supported camera types: | 720p/25Hz, 720p/30Hz, 720p/50Hz, 720p/60Hz, 1080p/25Hz, 1080p/30Hz, CVBS IP Video Input: | 8-ch (up to 32-ch) Up to 2MP resolution Video Input Interface: | BNC (1.0 Vp-p, 75Ω) Audio Compression: | G.711u Audio Input Interface: | RCA (2.0 Vp-p, 1 kΩ) Two-way Audio: | 1-ch RCA(2.0Vp-p, 1kΩ) Video/Audio Output HDMI/VGA Output: | 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz Recording resolution: | 1080p/720p/VGA/WD1/4CIF/CIF Frame Rate: | Main stream: 1080p@12fps; 720p/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) Sub-stream: WD1/4CIF@12fps; CIF/QCIF/QVGA@25fps (P)/30fps (N) Video Bit Rate: | 32 Kbps-6 Mbps Stream Type: | Video/Video&Audio Audio Output: | 1-ch RCA(Linear, 1kΩ) Audio Bit Rate: | 64kbps Dual Stream: | Support Playback Resolution: | 1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF Synchronous Playback: | 24-ch Network management Remote connections: | 128 Network protocols: | TCP/IP, PPPoE, DHCP, EZVIZ Cloud P2P, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP™, HTTPS Hard Disk Driver Interface Type: | 4 SATA interfaces for 4 HDDs; 1 eSATA interface Capacity: | Up to 6 TB capacity for each disk External Interface Network Interface: | 1; 10M / 100M / 1000M self-adaptive Ethernet interface USB Interface: | 3 USB2.0 interfaces Serial Interface: | 1RS-485 interface, 1 RS-232 interface, 1 RS-485 keyboard interface Alarm Input: | 16-ch Alarm Output: | 4-ch General Power Supply: | 100 ~ 240VAC, 47 ~ 63HZ Consumption: | ≤ 55W Working Temperature: | -10 ºC ~ 55 ºC (14 ºF ~ 131 ºF) Working Humidity: | 10% ~ 90% Chassis: | 19-inch rack-mounted 1.5U chassis Dimensions: | 445 × 390 × 70 mm (17.5 × 15.3 × 2.7 inch) Weight: | ≤5Kg (11.0lb)