The Acer P5271 professional-class projector delivers premium color performance even in large venues with bright ambient light. Handy installation utilities make setting up easy and power-management solutions yield great energy saving while conserving the earth's resources.The XGA resolution of the P5271 presents sharp, accurate details. With Acer ColorBoost II+ technology, 3100 ANSI lumens brightness, and 3700:1 contrast ratio, colors are vivid and natural. ColorSafe technology prevents color decay to preserve the integrity of your images even after prolonged use of the projector.Setting up is a breeze, thanks to easy-installation utilities. With the Acer top-loading lamp design, lamp replacement can be done with a few simple steps even while the projector remains ceiling-mounted. The 1.6x zoom ratio allows the projector to throw the optimal image size on the screen from any distance, giving more flexibility and quick corner adjustments. And for more versatile placement options, use the lens shift feature, which allows the lens to be moved horizontally or vertically within the projector housing.A simple press of the empowering key on the remote control gives you instant access to the Acer Empowering technology suite for quick customization of power, viewing and timer settings. The wall-color compensation feature enables accurate display of colors even when the image is projected on a colored wall, and with closed captioning, dialog and non-speech audio can be displayed as text to facilitate comprehension for hearing-challenged individuals.Acer EcoProjection technology cuts power in standby mode from 5 W to 1 W, to conserve energy, that's up to 80 percent power savings! Other eco-conscious technologies include 4,000 hours of lamp life, a power-saving ECO mode, and automatic shutdown after a pre-set period without signal input.