Manufacturer: MAG, Product type: Smart LED TV, Model: GTV50D23, Screen size: 50 inches, Resolution: 3840x2160 UHD, Refresh rate: 60Hz, Technology: LED, Response time: 11ms / 1ms with OD, Contrast ratio: 3750:1, Brightness: Minimum 300cd/m2, Typical 350cd/m2, Viewing angles: 178°/178°, Operating system: Google Android OS 11, Warranty period: 12 months.