Why the ViewSonic X1-4K home cinema smart beamer? 4K Ultra HD resolution (3840x2160 pixels) for razor-sharp images for films and series LED diode with 2,150 ANSI Lumen light output for 30,000 hours of viewing pleasure Thanks to Cinema SuperColor+ technology 125% Rec.709 colour reproduction Extremely low input lag of 4.2ms - support for 1080P@240Hz & 4K@60Hz gaming - optimal for Xbox users Integrated Wi-Fi, smart functions, Bluetooth, internal storage & USB-C Built-in full range Harman Kardon speakers & flexible installation options Translated with DeepL.com (free version)