SpecificationPhysical & PowerFront panel: Plastic
RAM
/ ROM: 64MB / 128MB
Display
: 7 Inch TFT LCDScreen: 7 Inch capacitive touch screenWi-Fi: IEEE802.11 b/g/n, @2.4GHzRS485 port: SupportRelay out: 1Bell in: 1I/O: 8Microphone: -58dBSpeaker: 4Ω / 2W2-wire ports: 2 pairEthernet ports: 1xRJ45, 10/100Mbps adaptive48V DC connector (if not using NS-2)Installation: Wall-mounted & DesktopDimension: 200.2x132.2x27.2mmWorking Humidity: 10~90%Working Temperature: -10°C ~ +45°C
Storage
Temperature: -20°C ~ +70°CTouch Screen
Display
Display
Mode: Normally white, TransmissiveLCD Size: 7inch (Diagonal)
Resolution
: 800x480Contrast ratio: 500:1Luminance: 220 cd/m²Viewing Angle: 50° Left, 50° Right, 40° Upper, 50° LowerTouch Screen: Projected capacitiveAudioSIP v1 (RFC2543), SIP v2 (RFC3261)Narrowband audio codec: G.711a, G.711μ, G.729Broadband audio codec: G.722DTMF: Out-of-band DTMF (RFC2833), SIP InfoEcho CancellationVideoStreaming formats: H.264
Network
ingProtocols support: IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTSP, RTP, TCP, UDP, ICMP, DHCP, ARPDeployment & MaintenanceAuto-ProvisioningWeb management portalWeb-based packet dumpConfiguration backup / restoreFirmware upgradeSystem logs (include door access logs)Application ScenarioOld villas retrofitOld apartment retrofit
Good value for the price.