Buy Q-See QSD004C4-250 - DVR + Camera(s), Wholesale Q-See QSD004C4-250 - DVR + Camera(s), 0645439227569, QSD004C4-250, Surveillance and Network Cameras  (less)

can simultaneously display live footage, record, playback, connect via network, and back-up without any recording loss. Connect this DVR to a television and view up to 4 cameras at the same time. With the RJ-45 Connection you can even monitor remotely through LAN or Internet IE Browser from anywhere in the world. H.264 technology provides a far more efficient algorithm for compressing video than any other compression method available. It supports dual video streams so you can record in a higher resolution but view over the internet at a lower resolution for faster images. Also supports mobile surveillance through cell phones with WinCE and 3G systems. Q-See¿s Digital Video Recorders (DVRs) are designed to manage multiple cameras, and enable us...  (less)