TCL QM51L Series Smart TV, The New Definition of Affordable Premium, is ideal for fast action movies, sports, and next level gaming TCL’s Halo Control System that includes the New Super High Energy LED Microchip, Condensed Micro Lens, Micro OD Reduced Optical Distance, , SQLED, Zero Delay Transient Response, Bi-direction 23-bit Backlight Controller, and Dynamic Light Algorithm for Stunning “Halo-Free” Images. Local Dimming Pro with Up to 400+ Discrete Dimming Zones and High Brightness Pro, you’ll experience pure black levels and a great picture in virtually any room lighting environment. TCL's AIPQ Processor, an advanced processor optimizing each scene with machine learning, provides an unrivaled cinematic experience. Motion Rate 240 provides smooth video playback and with TCL's Game Accelerator 144* and Auto Game Mode, gameplay is blistering fast, keeping you ahead of the competition. TCL QM51L TVs feature Dolby Atmos and DTS Virtual:X for high performance spatial sound.