OOOUSE DVR USB 4 Channel CCTV Digital Security Camera Video Recorder USB 2.0 Video Capture Adapter. Video system supported: NTSC, PAL and SECAM. Product Compatibility With: Windows 2000/XP/vista/Win 7 (32bit) Product Package Included: 1 x USB 4-CH DVR CCTV Camera Video Capture Adapter, 1 x USB cable, 1 x User Manual, 1 x CD driver. 1 year warranty