Sony 55-inch screen, Sony Bravia Smart 4K screen, almost new in excellent condition - high purity and quality picture from Sony, the best in the world of electronics. Screen type / 55-inch Edge LED screen Lighting type / Frame Dimming technology Display resolution system / 2160 & 3840 pixels (4K Ultra HD) Refresh rate / 120 Hz (with Motionflow technology to reduce blur in fast-paced shots) Image processor / 4K Processor X1 developed to improve colors and contrast Color technologies / TRILUMINOS Display technology for displaying a wider color gamut closer to reality Dynamic Range (HDR) compatible for delivering precise details in dark and bright areas. Operating system / Android TV smart system with Google Play app store and voice search support Ports and connectivity / 4 HDMI ports (supports ARC) + 3 USB ports + wired internet port (LAN) + built-in Wi-Fi. Sound system / 20-watt speakers (10W+10W) support Dolby Digital + DTS Digital Surround.