| Physical Property | |
| System | Linux |
| RAM | 64MB |
| ROM | 128MB |
| Front Panel | Aluminum |
| Reset Button | 1 |
| Power Supply | PoE (802.3af) or DC12V/2A |
| Standby Power | 1.5W |
| Rated Power | 3.5W |
| Camera | 2MP, CMOS |
| Indicator Light | 3 |
| Door Entry | IC (13.56MHz) & ID (125kHz) Card, Pin Code, APP |
| IP Rating | IP65 |
| Installation | Surface & Flush Mounting |
| Dimension | 188 x 88 x 34 mm (Surface Mounting)； 230 x 120 x 48 mm (Flush Mounting) |
| Working Temperature | -40℃ - +55℃ |
| Storage Temperature | -40℃ - +70℃ |
| Working Humidity | 10%-90% (non-condensing) |
| Audio & Video | |
| Audio Codec | G.711 |
| Video Codec | H.264 |
| Video Resolution | 1280 x 720 |
| Viewing Angle | 110°(H) / 60°(V) / 125°(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 | 2 |
| Input | 2 |
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Datasheet 904M-S3.pdfDownload
