Zebronics USB External TV Tuner ZEB-TU1000 Mpeg I, II(recording)small size Video systems TV format : NTSC, PAL, Secam Resolution : 720x576, 352x288 Audio System Sample rates : 32KHz / 44.1KHz / 48KHz Audio bit-rate : 128k~384k bit /second I/O Connector RF input (75ohm impedance) AV in S video in High-speed USB2.0 Interface Requirement Interface : USB 2.0 Port CPU : Pentium4 2.0GHz or above CPU OS : Microsoft Windows XP SP2 / Vista / 7 Direct X : Microsoft DirectX 9.0C Sound card : AC97 compatible PCI sound card Hard Disc : 100MB hard disk space for installation, additional space required for video capture and Time Shift System Memory : 256MB of RAM or more is recommended CD or DVD ROM : installing driver and application Package Contents TV tuner Remote control Driver CD User's manual.