55 Inch 4K OLED Screen Display The TX550-4K is a 55 inch 4K OLED screen display built for commercial advertising, retail showrooms, exhibition halls and high-end brand spaces. Its 3840 x 2160 4K UHD ...View More
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55 Inch OLED Display Module for Digital Signage Video Wall Advertising Display 4K UHD 3840x2160 Ultra Thin Panel