Featuring a brightness of 3000 ANSI lumens and a high contrast ratio of 13000:1, the cost-effective and eco-friendly MS521P offers a stunning full-screen presentation with the finest details regardless of the ambient light level.BenQ MS521P is built with DLP technology to support 3D functionality, allowing schools to bring an immersive learning experience to their students with a simple preparation of 3D glasses and 3D content from your Blu-ray player.