ViewSonic DLP Projector
1-HDMI, 2-VGA, Builtin Speaker / Sound Output

Looking for $80 or OBO, available for pickup in Palo Alto
https://www.viewsonic.com/uk/products/sheet/PJD5523w

Newer Models with same functionality retail on Amazon for ~$375
https://www.amazon.com/ViewSonic-Brightness-Projector-Vertical-PA503W/dp/B0749NTSCD/?th=1