Resolution : 4K Ultra HD (3840 x 2160) | Refresh Rate: 100 hertz | 4K Upscaler Connectivity: 4 HDMI ports to connect set top box, Blu Ray players, gaming console | 3 USB ports to connect hard drives and other USB devices Sound : 20 Watts Output | 2.0 Ch Speaker| Dolby Atmos | AI Sound | AI Acoustic Tuning Smart TV Features: webOS Smart TV|α7 Gen3 Processor 4K| AI ThinQ, Built-in Google Assistant & Alexa| Apple Airplay 2 & Homekit| Home Dashboard | Unlimited OTT App Support Display: Real 4K NanoCell Display Technology | Full Array Dimming Warranty Information: 1 Year LG India Comprehensive Warranty and additional 1 year Warranty is applicable on panel/module from the date of purchase