| Physical Property | |
| System | Android |
| RAM | 1GB |
| ROM | 4GB |
| Front Panel | Plastic |
| Power Supply | PoE (802.3af) or DC12V/2A |
| Standby Power | 3W |
| Rated Power | 10W |
| Wi-Fi | IEEE802.11 b/g/n,@2.4GHz (Optional) |
| Camera | 0.3MP, CMOS (Optional) |
| Installation | Surface mounting |
| Dimension | 221.4 x 151.4 x 16.5mm |
| Working Temperature | -10℃ - +55℃ |
| Storage Temperature | -40℃ - +70℃ |
| Working Humidity | 10%-90% (non-condensing) |
| Display | |
| Display | 7-inch TFT LCD |
| Screen | Capacitive touch screen |
| Resolution | 1024 x 600 |
| Audio & Video | |
| Audio Codec | G.711 |
| Video Codec | H.264 |
| Networking | |
| Protocol | SIP, UDP, TCP, RTP, RTSP, NTP, DNS, HTTP, DHCP, IPV4, ARP, ICMP |
| Port | |
| TF Card Port | 1 |
| USB Port | 1 |
| Ethernet Port | 1 x RJ45, 10/100 Mbps adaptive |
| RS485 Port | 1 |
| Power Output | 1 (12V/100mA) |
| Doorbell Input | 8 (use any alarm input port) |
| Alarm Input | 8 |
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Datasheet 904M-S3.pdfDownload
