The CDVS-7516 from Crest Electronics, Greensboro, N.C., is a combination of video management tools and an easy-to-use interface. Among features, the CDVS-7516 offers MPEG4 compression, 720x480 (4 CIF) resolution, 480fps display and record rates, multi-zone motion detection for every camera, adjustable sensitivity per motion zone, comprehensive remote administration and remote e-mail notification.