High Definition Television 4K The home electronic 4K LED TV is a high-definition TV with 4K resolution. This TV uses LED backlight technology, which can provide higher brightness and contrast, making the image sharper and more vivid. It also has a wider color gamut and faster refresh rate for more realistic colors and smooth animations. The home electronic 4K LED TV is also equipped with multiple HDMI and USB ports to connect various external devices such as game consoles, Blu-ray players and audio devices. In addition, some home electronic 4K LED TVS also have smart features that can connect to the Internet via wireless networks to provide a variety of online entertainment and applications. In short, the home electronic 4K LED TV is a high-quality TV that can provide a better viewing experience.