Brand: Samsung Model: SP-LPU7DSAXXZA Display Technology: 4K Laser Resolution: UHD 4K (3840x2160) Brightness: 2500 lumens Throw Ratio: Ultra Short Throw (0.25:1) Screen Size: Up to 120 inches Operating System: Tizen OS HDR Support: HDR10+ Audio: Built-in 30W 2.2-channel speakers with Dolby Atmos Connectivity: Wi-Fi, Ethernet, 3 x HDMI inputs, USB Voice Control: Supports Alexa and Bixby Special Features: 4K AI Upscaling, Samsung Gaming Hub, Ambient Mode for projecting photos and effects