... .Two-way audio 3,Nightvision is 10m wifi Original wireless WIFI Ip CameraCPUOperation systemEmbedded Linux OSMicrocomputer processor32Bit RSIC Embedded ... authorityDDNS(free)Free DDNS bounded i.e.,Center management system(free)1,4,9,16,25,36 or 64 multiple ... video display optional in one screen, support record, alarm, remote playback on records and other management functions. CertificationISO ...