Includes two, built-in ATSC/QAM TV tuners - record on one channel while watching on another TV tuner for your Nvidia Sheild or Windows PC (Hauppauge WinTV v10 included) Use the included WinTV application for Windows and have picture-in-picture or two complete TV windows open simultaneously Watch, pause and record two channels of free over-the-air ATSC HD TV and clear QAM digital cable TV. Or with the WinTV v10 application, have dual tuner picture-in-picture. Description WinTV-dualHD is a Dual TV Tuner for your Nvidia Shield or Windows PC. With two built-in TV tuners, users can watch one channel while recording another. Or have picture-in-picture or two complete TV windows with the included WinTV v8 application for Windows. Watch, pause & record two channels of free over-the-air ATSC HD TV and clear QAM digital cable TV. Includes the WinTV-dualHD dual USB 2.0 TV tuner, portable TV antenna, credit card size remote control (with batteries), USB extension cable, Installation CD with the Hauppauge WinTV v8 application and Quick Installation Guide. Compatible with Microsoft Windows 10, 8, 7 compatible or Windows Vista with latest Service Pack.