Dazzle the audience with a 307" (7.79m) diagonal projection size at 32.81 ft. (10m),
while built-in dual 5W speakers round out the presentation with rich audio.
Go beyond the presentation :
Enjoy movies or other media in style: the 4220 Projector
also supports 720p HD resolution and 3D capability2
Invite audience participation
Sometimes its not enough to merely present to the room. Sometimes you need
to actively engage your audience. The 4220 Projectors impressive connectivity
options allow a wide range of functionality that helps you bring the audience into the show.
Enjoy a variety of options Dual VGA ports allow for smooth transitions between
presentations, while HDMI, S-video, composite video, RS232 and USB ports allow
you to run a multitude of different media through your projector.
Share your presentations Open a world of connectivity options with optional modular
802.11n wireless3 networking. 4-to-1 split screen allows you to project different
presentations from 4 different computers at the same time, and Multi-PC session
allows you to connect up to 30 PCs to the projector at once (Wireless functionality
required. USB wireless dongle sold separately).
PC-Free Presentation No computer? No problem. Simply use the PtG Converter Lite
software (available on support.dell.com) to convert PowerPoint® files to .ptg files
(file conversion will only work on files that are originally in .ppt format) and store
them on your USB flash drive for instant viewing directly from the projector.