| System | Main Processor | Hi 3520DV300 |
| Operation System | LINUX, Compression Mode: H.264 | |
| Video | Video Input | 4CH BNC |
| Video Output | 1 x VGA / 1 x HDMI (1920*1080) | |
| Video Distance | 75-3 Cable up to 500 Meters / Video No Decay and Distortion | |
| Audio | Audio Input | 4CH RCA |
| Audio Output | 1CH RCA | |
| Recording | Recording Channel | 4CH × 1080N;1080N at 30 Fps(NTSC), 25 Fps(PAL) |
| Reolution | 1080N: 1920 × 1080 | |
| Playback | Playback Channel | 4CH x 1080N at 30 Fps(NTSC), 25 Fps(PAL) |
| Playback Mode | Normal Play, Fast Forward, Frame by Frame, Zoom In / Out | |
| Search Mode | Time, Date, Motion Detection, Exact Search | |
| Alarm | Alarm Input | N/A |
| Alarm Output | N/A | |
| Storage | HDD Interface | 1 x SATA Fixed HDD |
| Capability | SATA HDD up to 6TB each | |
| Backup | USB Disk | 2 x USB 2.0 port |
| Backup Format | H.264 (only for Playback Software - General H.264 Player V1.7.0.) | |
| Backup Mode | Network download / Flash USB / movable HDD/SATA HDD / DVD-RW | |
| PTZ | PTZ | R485 control |
| Network | Interface | RJ45 port / 10M / 100M / 1,000Mbps Ethernet |
| Protocol | TCP/IP, DHCP, DDNS, PPPoE, UPNP, NTP, SMTP, FTP, RTSP, ARSP | |
| Mobile phone Support | iPhone / iPad, Android, BlackBerry, Symbian, Windows Mobile Pro | |
| Computer System Support | iCloud Software, one-click online; Windows 2000, XP, Vista, 7, 8 / Mac OS x 10.6/10.7 | |
| Compatible Browser | Google Chrome, IE, Mozilla Firefox, Safari,28 kinds of Languages | |
| Free DDNS | iCloud Free DDNS Server (P2P function) | |
| IP Camera Protocol | ONVIF Version Platform Protocol (Digital Menu) | |
| Simultaneous Remote Viewers | 6 Users Online | |
| Others | Operating Temperature | 0°C ~ 55°C |
| Operating Humidity | 10% ~ 90% | |
| Dimension | 255mm×230mm×45mm | |
| Weight | 2.0 KG/(2 SATA 2.5KG) | |
| HDD Screw | 4 PCS (1 Pack) | |
| Accessories | USB Mouse ×1PC/User Manual ×1PC/Power Supply × 1PC | |
| Power Supply | DC12V/2A |