Samsung The Terrace QE55LST7T 55" 4K Ultra HD (3840x2160) LCD Smart TV55Â inches, QLED, LCD, 4K Ultra HD (3840x2160), Picture-in-Picture (PiP), Bluetooth, Voice control, Ambient light (Ambilight), Time-shift, App control, Support for HbbTV, Adaptive synchronization, Supports Google Assistant, Supports Amazon Alexa, For outdoor use, Eco Mode, Supports Samsung Bixby, Upscaling technology, 100 Hz