... -T04H H.264 video recording hd dvr for cctv security systemFeatures SUPPORT: 4CH 720P AHD ... portProtocolsTCP,DNS,DDNS,FTP,SMTP,3G,PPPOE,EMAIL,P2PFunctionSupport web browser, CMS, monitoring, management and playbackMobile monitoringSupport iPhone& ... 2Authority managementSupport add, modify, delete users, set permissions for usersOtherPowerDC12V/2ADimension255mm×220mm×43mmOperating Conditions-10 °C ~ 55 ...