mini usb DVR support window 7&vista system 64bits capture High-quality video and ... for 4 channels,usb dvr box,dvr, cctv dvr,mini dvr, pen recorder,video recorder,easycap3104,gum recorder, dvr ... dvr, usb recorder,voice recordermini usb DVR support window 7&vista system 64bits capture High-quality video and audio ... Can optionally zoom the view interface (4:3 or 16:9) and watch the TV program at full screen ...