LG OLED77C41LA 77inch UHD OLED evo C4 TV, With OLED's over 8.3 million self-lit pixels see perfect black and luminous colorsAlpha 9 AI Processor Gen7 provides smooth, crisp picture and sound with AI Picture Pro and AI Super UpscalingEnjoy movie magic from home with Dolby Vision, Dolby Atmos and Filmmaker ModeUltimate gaming with 144Hz refresh rate, NVIDIA G-Sync, AMD FreeSync Premium and 0.1ms response timeBrightness Booster technology magnifies each individual pixel for luminous quality that shines with every detailBrowse popular streaming apps and 300 LG channels, Picture Wizard, 100% Color Volume, AI Picture Pro, Game Optimiser, Brightness Booster, 100% Colour Fidelity, OLED Color, OLED Dynamic Tone Mapping Pro, α9 AI Super Upscaling 4K, Alexa (not available for some languages and countries)