See images clearly from a distance with 3, 600 lumens of brightness. Even in bright rooms, your presentations will shine as brilliantly as your ideas. The contrast ratio is up to a whopping 20, 000:1. Dynamic Black improves image contrast by analyzing onscreen content frame-by-frame & then dynamically adjusting lamp power to optimize black levels. The black can be extremely black & white is brilliant white. Acer Color Boost 3D presents true-to-life colors through an optimized 6-segment color-wheel design, advanced lamp illumination technology, & powerful TI image processing. It can reduce brightness decay & color shift while displaying 2D & 3D content through enhancing color brightness, while also compensating color saturation & color temperature.