| Video compression | H.264 | 
  | Video input | 8-ch | 
  | Video input interface | BNC (1.0 Vp-p, 75 Ω), PAL /NTSC self-adaptive | 
  | Audio compression | G.711u | 
  | Audio input | 1-ch, RCA (2.0 Vp-p, 1 kΩ) | 
  | Two-way audio input | 1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input) | 
  | VGA output | 1-ch, resolution: | 
  |  | 1080P: 1920×1080/60Hz,SXGA: 1280×1024/60Hz, | 
  |  | 720P: 1280×720/60Hz,XGA: 1024×768/60Hz | 
  | CVBS output | 1-ch, BNC (1.0 Vp-p, 75 Ω), | 
  |  | resolution: PAL: 704 × 576, NTSC: 704 × 480 | 
  | Encoding resolution | WD1/4CIF/2CIF/CIF/QCIF | 
  | Frame rate | 25 fps (P) / 30 fps (N) | 
  | Video bitrate | 32 Kbps ~ 3072 Kbps, or user defined (Max. 3072 Kbps) | 
  | Audio output | 1-ch, RCA (Linear, 1 kΩ) | 
  | Audio bitrate | 64 Kbps | 
  | Dual-stream | Support; | 
  |  | Sub-stream: CIF/QCIF @ 25 fps (P) / 30 fps (N) | 
  | Stream type | Video, Video & Audio | 
  | Synchronous playback | 8-ch | 
  | SATA | 1 SATA interface | 
  | Capacity | Up to 4TB capacity | 
  | Network interface | 1, RJ45 10M / 100M Ethernet interface | 
  | USB interface | 2, USB 2.0 | 
  | Power supply | 12 VDC | 
  | Consumption | ≤ 8 W | 
  | Working temperature | -10 ºC ~+55 ºC | 
  | Working humidity | 10% ~ 90% | 
  | Dimensions | 200 × 200 × 45 mm | 
  | Weight | ≤ 1 kg |