With the TCL C71B, you can enjoy realistic images and a high brightness. This QLED 4K TV has layer of Quantum Dots behind the screen. This is a kind of color filter, so the TV displays vibrant colors. You can see all shades of the northern lights in a documentary about Iceland this way. Thanks to the 100Hz refresh rate, movements on the screen look smooth. You won't lose sight of the ball during a soccer match. Connecting a gaming PC? The refresh rate can go up to 144Hz.