TCL 50S5K 50-inch QLED model marketed as a "2K" television

Display Specifications
Panel Type: VA Panel, which typically provides higher contrast ratios compared to IPS panels.
Resolution: Full HD / 2K (1920 x 1080).
Backlight Technology: LED with Full-Array Local Dimming in some regional variants to improve black levels.
Brightness & Contrast: Features a typical brightness of 300–400 nits and a high contrast ratio of 4000:1 to 5000:1.
Refresh Rate: 60Hz native.
HDR Support: Compatible with HDR10 and Dolby Vision. 
Key Features
Quantum Dot Technology: Uses "Colorful Quantum Crystals" to achieve an ultra-wide color gamut.
AiPQ Engine: An advanced processor that optimizes color, contrast, and clarity in real-time.
Smart Platform: Runs on Google TV or Roku TV depending on the specific regional model.
Audio: Equipped with Dolby Audio and speakers providing up to 24W of output.
Design: Features a metallic bezel-less slim design.