| Model | AT-NH-3808FE-F4/AT-NH-4808FE-F4 | |
| System | Main chip | Hi3520D V300 |
| OS | LINUX | |
| System Resources | Multi-channel Realtime recording, Multi-channel playback, Multi-channel network operation, USB Backup | |
| Interface | Operation menu | 16-bit true color graphical menu interface, mouse operation supported |
| Display | 1/4/8/9 display（take the pure coaxial input mode as an example） | |
| Video | Format | H.264 |
| Output | VGA、HDMI | |
| Preview | 8*1080N | |
| Recode | 8*1080N@12fps/4*1080P@15fps | |
| Decord | 8*1080N@12fps/4*1080P@15fps | |
| Multi-mode Input | AHD： 8*1080N；4*1080P | |
| Hybrid： 2*1080P（Analog）+2*1080P（IP）; | ||
| 4*1080N（Analog）+4*960P（IP） | ||
| NVR：16*1080P; 9*1080P;16*960P; 4*5M | ||
| Motion Detect | Each view window can set 192（16*12）detection area,can set multi-level sensitivity (only for local channel) | |
| Audio | Audio | G.711A |
| Intercom | Support | |
| Recorind and Playback | Recording mode | Manual、Alarm、Motion Detect、Timer |
| Local playback | 8 Channel（when Analog mode） | |
| Video search | Time, Date,Event,Channel search | |
| Storage and Backup | Storage | Local HDD, Network |
| Backup | Network back, USB Drive, HDD | |
| Port | Video Input | 8 * BNC |
| Video Output | 1 * VGA，1 * HDMI | |
| Spot Monitor | no | |
| Audio Input | 4 * RCA（Max: 8 channels） | |
| Audio Output | 1 * RCA | |
| Alarm Input | Optional（Max: 4 channels） | |
| Alarm Output | Optional（can be 1 channel） | |
| Network port | RJ45 10M/100M | |
| PTZ Control | 1 * RS485 Support multipal PTZ Contract | |
| USB port | 2 * USB Port | |
| HDD Port | 2 * SATA hdd ports（up to 6T for each one） | |
| Others | Power | 1*HDD: 12V/2A 2*HDD: 12V/5A 1 * HDD with screen: 12V / 3A |
| Power consumption | Less than 15W（no HDD） | |
| Working temperature | 0℃—+55℃ | |
| Working humidity | 10%—90% | |
| Atmospheric pressure | 86kpa—106kpa | |
| Size | 200mm*78mm | |
| Weight | 196g |
