Viewsonic X10-4K. Projector brightness: 2400 ANSI lumens, Projection technology: LED, Projector native resolution: 2160p (3840x2160). Light source type: LED, Service life of light source: 30000 h. Fixed focal length: 8.5 mm, Aperture range (F-F): 1.8 - 1.8, Zoom type: Fixed. Supported graphics resolutions: 640 x 480 (VGA), 3840 x 2160, Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p. HDMI connector type: Full-size