Acer P5827a 4K UHD DLP Business Projector (MR.JWL11.001) - DLP Projection System, Throw Ratio: 1.5 to 1.66, Zoom, Manual: 1.1x, Screen Size: up to 100", 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, Connectivity: 1 x VGA, 2 x HDMI 2.0, 1 x Stereo Mini Jack, 1 x Stereo Mini Jack Out, 1 x Optical, 1 x USB-A, Weight: 3.1kg