Panasonic Projektoren: Panasonic PT DZ21 K /E/U Beamer
Amazon.com: for Panasonic PT-DZ21K PT-DZ21KE PT-DZ21KEJ PT-DZ21KU Projector Lamp by Dekain (Original Matsushita Bulb Inside) : Electronics
PT-DZ21K Evolution PT-DZ21K2 series DZ21K2 20,000lm WUXGA DS20K2 20,000lm SXGA+ DW17K2 17,000lm WXGA DZ16K2 16,000lm Full HD Visual Systems Business Division. - ppt download