1. It can capture audio and video from any analog video source, and record in DVDR or RW, DVDVR, and DVD-Video. 2. Do not need to drive,plug and play. Convert, edit, and save videos in digital .You can capture video via normal software ,such as Potplayer and AMcap. 3. USB interface,do not need extra power.Compliant USB2.0 free port. 4. System Requirements:windows 2000 or windows 7 or windows 8 or vista or for OS 10.3 up. 5. Composite Audio or Video Inputs. USB2.0 output. The resolution up to 720x480(NTSC) or 720x576 Product name:USB 2.0 Video Audeo Interface:USB 2.0 or AV or S-Video Video mode:Manual recording or Video recording or Support AV full video input Support S-VIDEO full video input Support NTSC(J,M,4.43),(B,D,G,H,I,M,N,60) Automatic and interface detection output resolutions:720 x 480, 720 x 576, 640 x 480, 320 x 240, 160 x 120 Model Number:D3U Video :NTSC color:Black Material:ABS plastic and metal Package Contents: 1 x USB 2.0 Video Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.