| External interface |
| Network interface | 1 RJ45 10M/100M Self-adaptable Ethernet Interface |
| Serial interface | 1 RS232 Interface (RJ45), 1 RS485 interface (RJ45) |
| Alarm in | 4 channels |
| Alarm out | 2 channels |
| Audio/Video |
| Video/Audio Inputs | 4 Channels (NTSC, PAL System Auto Recognition) CIF BNC (Electrical Level: 1.0Vp-p, Resistance: 75¦¸) Or 1 Channel D1, 4 Channels BNC (Linear Electrical Level, Resistance:600), Microphone jack |
| Audio Output | Earphone jack |
| Video Compression | H.264 |
| Video Bitrate | 16 K ~ 2 M no limitation and self-defined (bps) |
| Audio Bitrate | 16 Kbps |
| Video Frame Rate | NTSC: 30 fps
Pal: 25 fps |
| Code Stream | Single video stream or composite stream |
| Resolution |
| Video Display Resolution | FULL D1 (720 x 480), CIF (352 x 240), QCIF (176 x 120) resolution |
| Environment |
| Operating Temperature | 14 ~ 122° F (-10 ~ 50° C) |
| Operating Humidity | 10 ~ 90% |
| Electrical |
| Power Consumption | < 7 W |
| Power Supply | DC 12V |
| General |
| Weight | 3.5 lbs (1.5 kg) |
| Warranty | 5 Years |
