Optoma's H183X is perfect for the home and delivers a bright image suitable for daytime viewing with an impressive 3200 lumens. The H183X also features vividly accurate colors with serge support, Full 3D, and deep black levels with a 20,000:1 contrast ratio. These features translate to rich colors and sharp images while watching Blu-rays with the family on movie night, sharing vacation photos with friends or playing the latest video games. The H183X weights less than 6 lbs. and is perfect for backyard movie night during family get together or catching up on favorite shows at a friends house. Wall color adjustment utilizes various gamma profiles to improve brightness on projection surfaces of varying color. This feature is extremely useful when projecting on a wall that may not be white in color. Eliminate soft edges and jaggies on border of the projection image when watching standard definition movies and television with the Edge Mask feature. No need to worry about lamp replacement as the lamp can last up to an astonishing 8 years.