OPTOMA PORTABLE SERIES HDTV COMPATIBLE DLP PROJECTOR - 1024X768 3500 LUMENS TWR1693. 1024 X 768 pixel resolution2500:1 contrast ratio4:3 aspect ratio480i- 480p- 720p- and 1080i signal capabilitySingle 0.7 DMD DLP technology by Texas instruments11 13/16 W x 3 1/2 H x 9 11/16 D- weight 7.3 lbs.
OPTOMA PORTABLE SERIES HDTV COMPATIBLE DLP PROJECTOR - 1024X768 3500 LUMENS TWR1693.