TiVo TCD540040 Series2 40-Hour Digital Video Recorder Up to 40 hours of digital audio/video recording capacity (NTSC); works with antenna, cable, digital cable, satellite, and combinations 2 USB ports offer broadband connectivity and the ability to stream digital music and photos from a computer to TiVo TiVo service includes Season Pass, WishList, program guide, digital music, digital photos, and online scheduling Everything required for installation is supplied; subscription to TiVo service is additional requirement Measures 15 x 3 x 11.5 inches (W x H x D)