GVS Security HDTVI DVR 720P serie 7100 Mini DVR 16CH Turbo HD TVI/AHD/CVBS 720P – GV7116GF1 MiniDVR 8CH Turbo HD TVI/AHD/CVBS 720P – GV7108GF1 Mini DVR 4CH Turbo HD TVI/AHD/CVBS 720P – GV7104GF1