Free Samsung 5 Year Guarantee by Registration!Dual LED TechnologyQuantum Processor Lite3100 PQI (Picture Quality Index)Quantum HDR Powered by HDR 10+HLG (Hybrid Log Gamma)100% Colour Volume with Quantum DotSupreme UHD DimmingAI UpscaleTizen Operating SystemSamsung TV PlusSamsung Health AppSmartThings App SupportWorks with Amazon AlexaWorks with Google AssistantMultiple Voice AssistantWatch Amazon Prime, Disney+ & NetflixBluetooth ConnectivityWi-Fi DirectFreeview HD TunerFreesat HD TunerObject Tracking Sound LiteSamsung Q-Symphony LiteMobile Tap Mirroring3 HDMI Inputs2 USB PortsChassis Colour: BlackStand Width: 904 mmH709 x W1232 x D26 mm