Epson POWERLITE W16SK3000 Lumens WXGA LCD 3D Dual Projection System Computer: D-sub 15 pin x 2, Component video: D-sub 15 pin x 1 (shared with computer 1), S-video: Mini DIN x 1, Composite video: RCA (Y) x 1, Audio in: RCA x 1, USB connector: Type B x 1 (USB display, audio and mouse control, stack 3D control) USB connector: Type A x 1 (USB memory/document camera, stack 3D control), HDMI x 1, Serial: RS-232c x 1, Monitor out: D-sub 15 pin x 1 (shared with computer 2), Audio out: Mini stereo x 1. Affordable 3D projection system - pair with inexpensive passive 3D glasses (one pair included); now you can afford to purchase glasses for your entire class. Supports multiple HDMI 3D formats - no external 3D converter box necessary Easy setup -includes dual projector stacking mount kit, 1 pair of passive 3D glasses, and polarizing filters for passive 3D, Versatile connectivity for any classroom - HDMI, computer / VGA inputs, monitor output, audio input, audio output, USB and RS-232c Two PowerLite W16SK 3D projectors, Dual projector stacking mount kit, 1 pair of passive 3D glasses , 2 polarizing filters, 2 Power cords, 1 USB cable, Remote control with 2 AA batteries, 3 projector feet, Quick setup guide, User's guide CD, Tips sheet.