H.264 4CH HD SDI DVR 1080P IE,firefox,CMS,3G surveillance ... EmbeddedSDK AvailableYesWarranty1 YearVideoHD SDI input4 HD SDI Input8 HD SDI Input12 HD SDI Input16 HD SDI InputExportSDI1 SDI OutputVGA1 VGA ... , RTSP, SMTP, FTP, NFS, DHCPWeb Browser AccessYes, support all main web browsers include IE, Firefox, Chrome, Opera, Safari ... *510*520mmUnit Weight/Package Weight16Kg/20Kg H.264 4CH HD SDI DVR 1080P