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| Model NO. | NVR-8309 | |
| Main chipset | Hi3520 | |
| Video compression | H.264 | |
| Video standard | NTSC/PAL | |
| VGA resolution | 1280*1024/800*600 | |
| Rcord resolution | CIF/D1 | |
| Motion detection | Support | |
| Audio input | 1ch | |
| Audio output | 1ch | |
| Alarm input | 4ch | |
| Alarm output | 1ch | |
| Mouse | Support | |
| Remote | Support | |
| PTZ | RS485 | |
| DVD-RW | Optional | |
| USB interface | 2 * USB2.0 | |
| Power supply | DC 12V | |
| AX dimension | 360*250*60mm | |
Network Video Recorder