Permits projection without a PC or through a wireless PC connection 2300 ANSI lumens brightness 2x power zoom Focus short throw lens DLP® display technology from Texas Instruments® Native XGA 1024 x 768 resolution Multimedia 1080i/p compatible RS-232 control Built-in, 1W speaker/stereo out Weight 3.9 lbs 1.7" thin 3-year parts & labor warranty 180 day lamp warranty