... decodingVideo Resolution1920*1080Video ParametersBrightness, Contrast, SaturationVideo StreamDual, Network transmission and video storage streamBit Rate1Mbps~8Mbps adaptiveImage Delay ... /20frameAudio CompressionG.711Two-Way IntercomYesAudio I/OYes, optionalNetwork ProtocolsTCP/IP, HTTP, ARP, RARP, ICMP, DHCP, DNS, DDNS ... bracket)ApprovalCE, FCC, RoHS 100m IR day/night PTZ IP megapixel speed dome