The Skill Tech SK7550S4K is a high-quality 75" SMART 4K UHD LED TV, offering stunning visuals and smart features for an immersive entertainment experience. With its A grade panel ensuring 80% no bright dot, this TV delivers sharp and vibrant images in a resolution of 3840*2160 (UHD). The TV features a luminance of 280cd/m²+/-10% and a contrast ratio of 1200:1, providing clear and detailed picture quality.Equipped with advanced features, this TV supports a wide range of display formats, including 480I, 480P, 576I, 576P, 720P, 1080I, and 1080P, with progressive scan and color adjustment options for optimal viewing. The 3D Com Filter enhances the visual experience, and the TV is compatible with various video color systems, including PAL, NTSC, and SECAM.In terms of connectivity, the TV offers versatile options such as 1 antenna input, 2 USB inputs, 2 HDMI inputs, 1 VGA input, 1 PC audio input, multiple audio and video inputs, earphone out, and coaxial out, providing seamless integration with various devices. It also includes a headphone jack and supports stereo audio output with 8W8ΩX2 speakers.