... 3-inch Megapixel WDR OVI 10633 CMOS, include 4/6/8/12/16mm fixed lens 3) Available distance :30m720P 1280*720 ... inch 2.0 Megapixel OVI 2643 CMOS, include 4/6/8/12/16mm fixed lens 3) Available distance :30m2MP:1600*1200 ... inch 1.0 Megapixel OVI 2643 CMOS, include 4/6/8/12/16mm fixed lens 3) Available distance :30m1MP:1280* ... DNS,ARP, ICMP, POP3, NTP, IPSec UpnP, RTP, and RTCP Mega-Pixel Dome Camera Series