4k Ultra High Definition Roku TV – Optimized for an unmatched entertainment experience. Our 50 inch flat screen TV brings 4 times the pixels of a traditional HD TV. The high resolution 4K UHD display presents seamless visual details and picture clarity. | Westinghouse | | 50" Smart ROKU TV, 4K UHD Flat Screen, Wi-Fi, Bluetooth, Mobile App, AirPlay, Alexa & Google Assistant | Best Buy