Optoma EX521 DLP Projector (4500:1 2600 Lumens 1024 x 768) br Display Technology Single 055 inch XGA DC3 DMD chip DLP Technology by Texas Instruments br Bright projection - 2600 ANSI Lumens br XGA resolution 45001 contrast ratio br Low ownership costs - up to 6000 hrs lamp life br Lightweight and portable carry bag included