HDR technologyThe Panasonic TX-58HX800B 58″ Smart 4K Ultra HD HDR LED TV has plenty of HDR technology to bring you the very best viewing. It brings detail to dark areas of the scene and brings bright vibrant colour, perfect for sports or movies. This TV supports a variety of formats, so you can enjoy HDR content from a variety of sources.Bright Panel Plus provides bright LED backlighting for sharp and crisp images.Netflix buttonOptimised for Netflix streaming, the TX-58HX800B has a dedicated Netflix button that takes you straight to your shows. Smart assistantsUse Alexa or the Google Assistant to change channels, control the volume or turn your TV on. You can use Alexa to help you to search the Freeview guide, making it even easier to find the shows you love. ________________________________Please note: Freeview and some apps & services are only available in the UK. Apps & services may be removed or no longer supported by third party content providers at any time. Some apps & services may not be available at launch and may require a firmware update before becoming available.