Features . Picture quality 1200 HzHDR HDR10 / Hybrid Log-Gamma (HLG)Catch-up TV and; 4K streamingFreeview HD with Freeview PlayHDMI 2.0 x 3 . 4K Ultra HD with HDR Make family movie nights even better with the Panasonic TX-55GX555B 55 Smart 4K Ultra HD HDR LED TV. With a 4K resolution and HDR technology you’ll see a greater spectrum of colour and improved contrast between light and dark shades.So whether you’re watching a dimly-lit drama or a big cup game you won’t lose any detail to glare or shadows. Catch up with the shows you’ve missed No need to cancel your plans to keep up with that weekly BBC drama. With Freeview Play you can catch up with all the shows you’ve missed over the past week whenever you like. Just scroll back through your TV guide to find that program everyone’s talking about.There’s plenty more content to discover too. Find the latest drama box sets on Netflix and Amazon Prime or catch up with your favourite channel on YouTube – all in beautiful 4K. Impressive sound Plug in your sound bar and place yourself at the heart of the tense movie you’re watching. The Panasonic TX-55GX555B features Dolby Digital Plus delivering consistent high-quality audio..