Beijing Chongwen Xuan Wu surveillance installation, to undertake engineering Chongwen Xuan Wu monitor, Hikvision level distributors, 10 years of engineering experience in the field of security monitoring, for your dedicated service. ? DS-7916/24 / 7932HE-E4 DVR supports external network access through the cloud or hiDDNS fluorite DNS service;? HDMI and VGA output reached the highest resolution 1080p;? Using HIKVISION PTZ control protocol, he may Screen any area and center selected by the mouse to zoom;? support multi-split screen in parallel in different channels preview and playback;? support 16 simultaneous playback of video files rewind function ;; support;?? support hard disk quota management, different channels can be Recordings are saved to assign different capacity? support eSATA stocktaking, can be used to record and backup ;;? supports four SATA? support SNMP (Simple Network Management), support UPnPTM (Plug and Play), (Network Time Protocol) NTP support, SADP (automatic search IP address), DHCP (Dynamic Host Configuration Protocol), PPPoE (dial-up) and other agreements.