Products you can control through Echo and Alexa-enabled Devices. Y Google Assistant is ready to help when and where you need it. Manage your schedule, get help with everyday tasks, control smart home devices, enjoy your entertainment, and much more. Y G means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. G LG OLED77B19LA, 195.6 cm (77"), 3840 x 2160 pixels, OLED, Smart TV, Wi-Fi, Black LG OLED77B19LA. Display diagonal: 195.6 cm (77"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: OLED, Screen shape: Flat. Smart TV. Native aspect ratio: 16:9. Digital signal format system: DVB-C2, DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Product colour: Black