... ,UDP,SMTP,FTP,RTSP Technical Target Item No. SpecificationLH22 HD IP cameraSensor Type1/2.8" CMOSSignal SystemPAL/NTSCShutter1/50(1/ ... SystemPAL/NTSCMaximum image size1920*1080Sync SystemInter-syncVideo Input1 ch HD InputAudio input/Output1 ch input, 1 ch outputAlarm1 ch ... portRS485 10M/100Mvideo compressionH.264Audio compressionG.726 Ethernet protocolTCP/IP,HTTP,ARP,TCP,ICMP,DHCP,UDP,SMTP,FTP,RTSP ...