BenQ SP840 you can use it for those who not only request brightness but also resolution. This Full HD projector offers the higher standard of your meetings with 4000 ANSI lumen high brightness and 3000:1 high contrast ratio. With the BenQ SP840, things are certainly looking great!¤¤The BenQ SP840 offers higher standard of home cinema viewing. It supports multiple video formats including 480P, 576P, 720P, 1080i and 1080P. From HDTV or Blu-ray DVD to video games such as Xbox or PS3, you can enjoy the latest video formats in Full HD, the higher standard of video performance that delivers 5x more detail than traditional 480P projectors.