Epson Pro Cinema QL3000, 3LCD, UHD 4K (3840x2160), 5000000:1, 16:9, 1524 - 7620 mm (60 - 300"), 6000 ISO lumens Epson Pro Cinema QL3000. Projection technology: 3LCD, Projector native resolution: UHD 4K (3840x2160), Contrast ratio (typical): 5000000:1. Light source type: Laser, Service life of light source: 20000 h. Focal length range: 36.0 – 57.4, Aperture range (F-F): 1.8 - 2.3, Zoom ratio: 1.6:1. Supported graphics resolutions: 720 x 480, 720 x 576, 1600 x 1200, 2560 x 1080, 4096 x 2160, Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p. Serial interface type: RS-232C