Combining stunning 4K resolution with smart streaming functionality, the ViewSonic® X100-4K projector lets you experience home entertainment like never before. With a sleek, easy-to-install design, this projector can be ceiling mounted in any living room or dedicated home theater. Images remain vivid and clear thanks to 2,900 lumens of brightness, Rec. 709 compatibility, and stunning 4K Ultra HD 3840 x 2160 resolution. Integrated smart features for both Amazon Alexa and Google Assistant deliver the convenience of voice control. Featuring built-in Harman Kardon speakers and projecting screen sizes up to 300", this premium 4K projector delivers an immersive cinematic experience perfect for movie buffs and home entertainment enthusiasts. STUNNING 4K ULTRA HD RESOLUTION Engineered with an advanced DLP® 4K Ultra HD chip with XPR technology, this projector delivers 3840 x 2160 distinct pixels for true 8.3 million pixel 4K UHD resolution. ISF CERTIFIED COLOR CALIBRATION TOOLS ISF (Imaging Science Foundation) Certified Day and Night modes deliver optimized color in both bright and dark environments. If needed, ISF-certified technicians can provide on-site tuning of these settings for customized image calibration. INTUITIVE TOUCH CONTROL WITH MOBILE DEVICES With the vCastSender app, you can transform mobile devices (such as smartphones and tablets) into a remote control for your projector. Using a mobile device as a remote control delivers intuitive touch capabilities, easy typing, and instant on-screen annotation for more convenient control of your projector settings. The vCastSender app, is compatible with iOS 8.0 and above, and Android OS 5.0 and above.