| Video/Audio Input |  
  | Audio Input: |  1-ch |  
  | Video Compression: |  H.264 |  
  | Analog and HD-TVI video input: |  8-ch BNC interface (1.0Vp-p, 75 Ω) |  
  | Supported camera types: |  720p/25Hz, 720p/30Hz, CVBS |  
  | IP Video Input: |  2-ch Up to 2MP resolution |  
  | Video Input Interface: |  BNC (1.0 Vp-p, 75Ω) |  
  | Audio Compression: |  G.711u |  
  | Audio Input Interface: |  BNC (2.0 Vp-p, 1 kΩ) |  
  | Two-way Audio: |  1-ch, RCA (2.0 Vp-p, 1 KΩ) (using audio input) |  
  | Video/Audio Output |  
  | HDMI/VGA Output: |  1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz |  
  | Recording resolution: |  720p/WD1/4CIF/VGA/CIF |  
  | Frame Rate: |  Main stream: 720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N) |  
  |   |  Sub-stream:  |  
  |   |  4CIF/2CIF@6fps; |  
  |   |  CIF/QVGA/QCIF@25fps (P)/30fps (N) |  
  | Video Bit Rate: |  32 Kbps ~ 4 Mbps |  
  | Stream Type: |  Video/Video&Audio |  
  | Two-way Audio: |  1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input) |  
  | Audio Output: |  1-ch RCA(2.0 Vp-p, 1kΩ) |  
  | Audio Bit Rate: |  64kbps |  
  | Dual Stream: |  Support |  
  | Playback Resolution: |  720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF |  
  | Synchronous Playback: |  8-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: |  2 SATA Interfaces |  
  | Capacity: |  Up to 6 TB capacity for each disk |  
  | External Interface |  
  | Network Interface: |  1; 10M / 100M self-adaptive Ethernet interface |  
  | USB Interface: |  2 USB 2.0 Interfaces |  
  | General |  
  | Power Supply: |  12V DC |  
  | Consumption: |  ≤ 12W(without hard disks) |  
  | Working Temperature: |  -10 ºC ~+55 ºC (14 ºF ~ 131 ºF) |  
  | Working Humidity: |  10% ~ 90% |  
  | Chassis: |  1U chassis |  
  | Dimensions: |  380 × 290 × 48 mm (14.9 × 11.4 × 1.9 inch) |  
  | Weight: |  ≤ 2 kg (4.4 lb) (without hard disks) |