Acer P1357Wi DLP WXGA Projector (MR.JUP11.001) - Native Resolution: 1280x800, Brightness: 4500 lm, Native Aspect Ratio: 16:10, Contrast Ratio: 20,000:1, Number of Speakers: 1, Speaker Output Power: 10W, Interfaces / Ports: USB, composite video, Number of VGA inputs: 1, VGA input, Number of VGA outputs: 1, VGA output, Number of audio inputs: 1, Number of audio outputs: 1, Audio line in, Audio line out