HD security dvr recorder -H.264 realtime HD DVR standalone -USB,PTZ,Audio,Network,VGA -2 HDD, 4TB -720p realtime recording 4 channel HD DVR ... Features: 1. H.264 Real-time Recording, support USB, PTZ, network, ... settings, backup and playback video through IE; 6. Recording Resolution up to 720P. Specification: BCS-DVR9634DSystemMain prosessorHi3520* ...