Featuring a brightness of 3000 ANSI lumens & a high contrast ratio of 13000:1, the cost-effective & eco-friendly MS521P offers a stunning full-screen presentation with the finest details regardless of the ambient light level. Ben Q 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 & 3D content from your Blu-ray player.