Resolution: 4K Ultra HD (3840x2160) | Refresh Rate: 120 hertz 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 : 40 Watts Output Smart TV Features : Smart TV with free apps Display : QLED | LED Panel | Slim and stylish design Warranty Information: 1 year 1 Year Comprehensive + 1 Year Additional on Panel by Samsung from date of purchase Installation: For requesting Samsung sanitized installation/wallmounting/demo of this product once delivered, please directly call Samsung support on [1800407267864/180057267864] and provide product's model name as well as seller's details mentioned on the invoice Wall-Mount: Standard wall-mount (FREE) provided by engineer upon installation request