CCTV DVR H. 264 Network Digital Video Recorder 1.Support 2 USB DVR 2.PTZ, Audio, Network, ... .OEM CCTV DVR H. 264 Network Digital Video RecorderCCTV DVR Features:1. H.264 Real-time Recording, support USB, PTZ, network, two-way ... ) Weight (without HDD)2.3kg CCTV DVR H. 264 Network Digital Video Recorder