Insignia NS-48DR510NA17 LED Roku HDTV: Enjoy your favorite shows and movies in Full HD with this 48-inch Insignia Roku HDTV. Dual-band Wi-Fi connectivity provides wireless streaming from more than 3,000 channels and provides you with access to over 250,000 movies and television shows. You can even personalize the home screen for easy navigation of this Insignia Roku HDTV.