... / JPEG / MPEG-4 compression 3.IR distance:30m 4.Audio Compression: G.711 and AAC-LC IR IP Camera FeaturesCMOS image sensor Max. resolution: 1920 ... ,12mm,16mm(optional)Lens InterfaceCSMin. Illumination0.5Lux/F1.2(color); 0.2Lux/F1.2(black and white)Day/NightIR-CUT dual ... bi-direction(optional)Audio CompressionG.711; AAC-LCNetwork protocolTCP,UDP,IP,HTTP,FTP,NTP,SMTP,DHCP,DNS,ARP,ICMP,POP3,NTPVideo ...