This 3500 Lumens DLP Projector is portable with built-in 2W speaker. This projector uses mirror projection technology developed by NEC achieves large-screen projection with an ultra-short focal distance of less that 1 ft. This projector has XGA (1024 x 768) resolution, contrast ratio of 3500:1 and it can generate image size of 40-100 inches from short throw distance. It has features like Zoom Lens, digital zoom and Digital Keystone Correction. Lamp life is of 4000 hours in Eco Mode and 2000 hours in standard mode. In regard to connectivity this projector comes with VGA Input, Composite, S-Video, Component, DVI Input, USB Port and VGA Output along with wired as well as wireless LAN capability.