... Hi3512OSEmbedded Linux systemVideo CodecH.264Video ResolutionAdjustable Resolution - 2.0 Megapixel (1600*1200),1.0 Megapixel (1280*720), D1 (640*480), ... CIF (320*240)Video Frame Rate15FPS@ 2.0 MP, 30FPS@ 1.0 MP, D1 and CIFStreaming Level2 adjustableBit Rate32K~4MbpsAudio ... , ARP, ICMP, SMTP, POP3, DNS and RTCPPTZ ControlRS485 Serial Port. Pelco-D/PPoEOptional, Support built-in 802.3af Compliant ...