... CCD,420 TVL and 520 TVL optional2.Dome IP Cam3.H.264 Compression4.support mobilephone watchingModel: ... Sharp CCD, 0Lux/F1.2, 400TV Line, S/N >48dB, 22pcs ¢5 LED, IR distance 15-20m ... Sony CCD, 0Lux/F1.2, 420TV Line, S/N >48dB, 22pcs ¢5 LED, IR distance 15-20m ... rate90kbps ~ 512kbpsOSDSupportAudio CompressionG.711/G.726NetworkBasic ProtocolTCP/IP,HTTP,SMTP,FTP,DHCP,DDNS,UPNP,NTPOther FeaturesMobile ...