| Model | | VT-NVR6516 |
| Operation | | Embedded Linux |
| Image edit control | | Image edit adjustable,both changable and fix stream optional |
| Double stream | | Can be set up in each channel |
| Video standard | | 1080P(1920×1080)30FPS/S/960P/(1280×960)/720P(1280×720)30FPS/S frames /second |
| Monitor image quality | | 1080P(1920×1080) / 960P/(1280×960)/720P(1280×720) |
| Image dynamic detection | | Multiple detection areas can be installed level 6 sensitivity(IPC) |
| Image playback quality | | 4ch 1080P real time/8ch 720P/960P real time synchronous playback |
| Video mode | | Support manual, automatic, dynamic monitoring, alarm trigger video mode (need) IPC support part |
| Backup mode | | U disk, USB mobile hard disk, USB burn, network storage and backup |
| Operate mode | | Mouse |
| login locally | | admin and password |
| Save recording | | local hard disk and network |
| External interface | Video input | 1080P(1920×1080)IP camera |
| Video output | 1ch VGA+1ch HDMI +1TV |
| Audio output | 1ch RCA audio output |
| Network interface | 1ch RJ45,10M/100M ethernet ports adaptively |
| USB connect port | 2 x USB connect port |
| Wireless interface | Support external USB and 3G equipment |
| RS485 | RS485*1 |
| Alarm input | 4ch |
| Alarm output | 1ch |
| Hard disk | HDD port | 2 SATA HDD port |
| Maximum capacity | Maximum 3TB each SATA |
| Cell phone monitoring | | iOS,Android |
| Power | | 12V/4A |
| Working temperature | | -10℃~+55℃ |
| Working humidity | | 10%-90% |
| NVR size | | 380mm×295mm×55mm |
| Weight | | 2.7KG(without HDD) |