The Epson BrightLink 685Wi is a 3,500-lumen WXGA (1280 x 800) 3LCD ultra-short-throw interactive projector designed for classrooms and meeting rooms. It features dual-pen interactivity, a 14,000:1 contrast ratio, and a 16:10 aspect ratio, providing bright, large images (up to 100 inches) from minimal distance with reduced shadow/glare. Key Technical Specifications Projection System: 3LCD, 3-chip technologyResolution: WXGA (1280 x 800)Brightness: 3,500 lumens (Color/White Output)Throw Ratio: 0.28 – 0.37 (Ultra-short-throw)Lamp Life: Up to 10,000 hours (ECO mode), 5,000 hours (Normal)Contrast Ratio: Up to 14,000:1Screen Size: 60" – 100"Interactivity: Dual interactive pens (Infrared)Keystone Correction: Manual Vertical/Horizontal \(\pm 3^{\circ }\) Connectivity & Features Inputs: HDMI (3x), VGA (2x), Composite, USB 2.0Networking: Ethernet (RJ-45), Wireless LAN (Optional: ELPAP10 required)Audio: 16W Internal SpeakerFeatures: Split-screen capability, Moderator function, USB Plug 'n Play for Mac/Windows Physical Characteristics Dimensions: 14.5" x 15.8" x 5.9" (W x D x H)Weight: 12.8 lbSecurity: Kensington lock, Security anchor bar, Password protection The unit is designed for wall mounting,, allowing for 60-100 inch screen sizes, and supports interactive functions via infrared technology, requiring 25-point manual or automatic calibration. BrightLink 685Wi WXGA 3LCD Ultra Short-throw Interactive Display* Specifications Projector: Projection System: Epson® 3LCD, 3-chip technologyProjection Method: Front/rear/wall mount/table mountDriving Method: Epson Poly-sili...Epson