Stunning 4K Quantum Dot Display (QLED) - Makes movies, shows, and live sports pop in brighter, richer, and more lifelike colors. Advanced HDR - Scenes leap off the screen in deep, realistic color with Dolby Vision IQ and HDR10+ Adaptive. HDR10 and HLG are also supported. Adaptive Brightness - Fire TV automatically optimizes the brightness of movies and shows through a built-in sensor that detects the lighting in your room. Bolder contrast - Experience deeper darks and brighter whites with full array local dimming in 96 individual zones enhancing contrast. Fire TV Ambient Experience - Turns your TV screen into a canvas for displaying over a thousand pieces of free artwork, personal photos, helpful Alexa widgets, and more. Watch what you want - Stream over 1.5 million movies and TV episodes. Watch favorites with subscriptions to Netflix, Prime Video, Disney+, and more. Subscription fees may apply. Hands-free TV with Alexa - With built-in microphones, just ask to turn on the TV, and find, launch, and control content, so you can put down the remote. Build your home theater - With Alexa Home Theater you can wirelessly pair Echo speakers using the Alexa app, or connect a soundbar or an AV receiver. Connect all your devices - Use the 4 HDMI inputs to connect to cable or satellite and video game consoles. The HDMI eARC lets you add audio equipment for enhanced sound. Designed to protect your privacy - Built with privacy protections and controls, including a switch that electronically disconnects the microphones.