Acer X1827 DLP Projector (MR.JWK11.00P) - DLP Projection System, Zoom: Digital Zoom: 2x, Native Resolution: 4K UHD 3840 x 2160, Standard Mode Brightness: 4000 Lumens, Native Aspect Ratio: 16:9, Contrast Ratio: 10 000: 1, Number of Speakers: 1 x 10W Mono, Number of Lamps: 1, Lamp Power: 240W, Connectivity: 1 x USB 2.0 Type-A, 2 x HDMI 2.0, 1 x RS-232, 1 x VGA-in, 1 x Digital Audio Out, Audio In, Audio Out, Weight: 3.10kg