• Display Type: 4K UHD
• Refresh Rate: 60Hz Native
• Wide Color Gamut: Nano Color
• Picture Processor: α5 AI Processor 4K Gen7
• HDR (High Dynamic Range): HDR10 / HLG
• Audio Output: 20W
• Speaker System: 2.0 channel
• TV Dimensions without Stand (WxHxD, mm): 1235 x 715 x 58.1

Full Specification here: 55NANO81TSA