Hisense 40" A4 Smart VIDAA LED TV 40A4G With Natural Colour Enhancer technology, it brings images to life, reflecting the true colours of all that you’re watching on screen. HDR - High Dynamic Range: Enhancement of contrasts to achieve greater realism. HDR technology expands the TV's contrast ratio and color palette to deliver a more realistic and natural picture than ordinary TVs. What you get is a great image with high contrast and fine detail. Hisense’s Clean View technology automatically analyses input signals and optimizes images to make them the best they can possibly be. Individual pixels are enhanced in real-time, delivering sharper, cleaner picture quality, no matter what you’re watching. High-end visual technology is paired with world-class audio from DTS Virtual:X™ that creates an immersive, multi-dimensional audio experience. With Game Mode and Sports Mode, you can take entertainment to the next level and enjoy superb viewing quality