... , RARP, ICMP, DHCP, FTP, HTTP, and SMTP protocol support*Remote snap shot and video recording*Self-contained FTP server & E- ... screen management software.*Applicable in schools, banks, communications, posts and telecommunications, electric power system, video conference, high-class hotels ... :Warranty time: 2 yearsIf there is any problem and support, We’ll supply unlimited supportsuntil the problems ...