4K Ultra HD display with Quantum Dot NanoCell Plus; 140 cm (55 inch) screen diagonal, external dimensions (without stand): 123.6 x 71.6 x 2.97 cm, VESA standard: 300 x 300 mm Smart TV: webOS 23 (LG ThinQ AI & AI Concierge) with Google Assistant, Amazon Alexa, compatible with Amazon Echo, Google Home, Apple AirPlay 2 & HomeKit; Home Dashboard, supports WOW Interface & Orchestra including LG Magic Remote Control and 2x AA Batteries Processor: α7 Gen6 4K AI processor with AI Picture Pro, AI Brightness Control, & AI Sound Pro (Virtual 5.1 Up-mix); Gaming Features: AMD FreeSync Premium Certified, HGiG Compatible, Game Optimizer (VRR, ALLM & QMS) Image and sound: Active HDR (HDR10 Pro, HLG, Filmmaker Mode), supports Dolby Vision & Atmos, HDR Dynamic Tone Mapping, 4K AI upscaling; 2.2 sound system with 40 watts (20 W per channel), WiSA compatible Tuner type and connectivity: Single Triple Tuner (DVB-T2/-C/-S2), LAN (Ethernet), WLAN (802.11ac), 4x HDMI 2.1 (with eARC), 2x USB, Optical Digital Output (S/PDIF, Fiber Optic), CI+ slot