| Physical Property | |
| System | Linux |
| Front Panel | Aluminum |
| Button | Mechanical |
| Power Supply | PoE (802.3af) or DC12V/2A |
| Standby Power | 1.5W |
| Rated Power | 9W |
| Camera | 2MP, CMOS |
| Door Entry | IC (13.56MHz) & ID (125kHz) card, PIN code |
| IP Rating | IP65 |
| Installation | Flush Mounting & Surface Mounting |
| Surface Mounting Dimension | 295 x 133 x 43 mm |
| Flush Mounting Dimension | 295 x 133 x 63.5 mm |
| Working Temperature | -40℃ - +55℃ |
| Storage Temperature | -40℃ - +70℃ |
| Working Humidity | 10%-90% (non-condensing) |
| Display | |
| Display | 4.3-inch TFT LCD |
| Resolution | 480 x 272 |
| Audio & Video | |
| Audio Codec | G.711 |
| Video Codec | H.264 |
| Video Resolution | 1280 x 720 |
| Viewing Angle | 110°(H) / 67°(V) / 127°(D) |
| Light Compensation | LED white light |
| Networking | |
| Protocol | SIP, UDP, TCP, RTP, RTSP, NTP, DNS, HTTP, DHCP, IPV4, ARP, ICMP |
| Port | |
| Wiegand Port | Support |
| Ethernet Port | 1 x RJ45, 10/100 Mbps adaptive |
| RS485 Port | 1 |
| Relay Out | 3 |
| Reset Button | 1 |
| Input | 4 |
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Datasheet 904M-S3.pdfDownload
