High performance with full presentation functionality. 3600 Lumens. 15,000:1 Contrast ratio. Aspect ratio: 4:3, 16:9 Compatible. Extensive connectivity options and a rapid startup/shutdown function and ease-of-use comes in handy when sharing multimedia presentations. Low cost of ownership with filter free design. The DW814 is rated "intensive use" for color consistency over time without yellowing of the image.5 year parts and labor, 1 year or 1500 hours lamp.