QTX-6404FHD - 4CH SDI 1080P video input - 4CH 1080P real time display - Multi-mode recording: manual, continuous, motion, sensor - Playback: 4CH simultaneously playback, FF, frame by frame - Smart search: timer/motion/sensor, single or multi-channel search - Backup: USB, DVDRW(Sata), IE, CMS; suppot multi-le, le cutting when backup - Internal Storage: SATA x 3 support 4T per HDD - Network protocol: DHCP, DDNS, PPPoE - IE/CMS: Dual stream, full function; multi-user online; HDMI 1080P - Cell phone: iPhone, iPad, Android, Blackberry, Symbian, Windows CE/Mobile H.264 DDNS Network PTZ Audio CMS USB Mouse E-Mail Mobile HD H.264 DDNS Network PTZ Audio Mobile CMS USB Mouse E-Mail www.questek.com.tw