720P HD picture quality introduction: 720P is the format standard for high-level HD digital television formulated by the Society of Motion Picture and Television Engineers (SMPTE). The effective display format is 1280×720. Reaching a resolution above 720P is the entry barrier for high-definition signal sources. The 720P standard is also known as the HD standard.
1080P full HD picture quality introduction: 1080P is a video display format. The effective display format is 1920×1080, and the number of pixels reaches 2.0736 million; the screen with 1080P resolution can display more content than other screens except for higher definition. Besides, it will be more convenient when browsing the web and reading emails.
4K ultra high definition picture quality introduction: "4K" refers to "ultra high definition resolution", which refers to 3840×2160 pixels. The total number of pixels is exactly 4 times the resolution of 1080P. At this resolution, the audience can see every detail in the picture. The overall picture has the resolution standard of a new generation of Hollywood blockbusters.