The 50-inch TCL Smart Display, model 50C655, is equipped with QLED PRO technology with a 120Hz refresh rate for smooth performance. The display is powered by Google TV and supports Dolby Vision and Dolby Atmos technologies for a superior picture and sound experience. It also offers premium audio from Onkyo and HDR10+ technology to improve contrast and deliver more vivid colors. Features: Display Size: 50 inches. QLED PRO technology for vivid colors. 120Hz refresh rate for smooth motion. Dolby Vision and Dolby Atmos support. Google TV system for a smart experience. Luxurious sound from Onkyo. HDR10+ technology for improved contrast and color.