Captivate your audience with the powerfully bright 4320 projector. Project ultra-bright, high-contrast graphics and multimedia, stream HD content and enjoy outstanding versatility and optional wireless capabilities to allow you to connect multiple users. The Dell 4320 projectors can stream 720p HD video files directly to the projectors using the optional wireless capabilities for AV cable-free viewing. And built-in dual 5W speakers let multimedia presentations be heard as well as seen. Dell 4320 projector is ideal for boardrooms, conference rooms and classrooms.