The Acer PD311 Multimedia Projector packs 2000 ANSI lumens into its small frame and a contrast ratio of 2000:1, giving you stunning performance in a tiny package. Whether youre doing a slideshow or screening a video, this projector is a portable, dependable performer for the mobile professional. The Acer Empowering Key on the remote control or projector panel lets you quickly access and use Acer Empowering Technology tools to help personalize your presentation and make it flow more smoothly. The Feature-rich PD311 projector, with its easy setup and navigation, comes with a price that wont break the bank.