Epson BRIGHTLINK 436WI3000 Lumens WXGA LCD Projector Interfaces: Computer / component video: D-sub 15 pin x 2 S-video: Mini DIN x 1 Composite video: RCA (Yellow) x 1 Audio in: RCA x 1 (L and R), Mini stereo x 2 USB connector: Type B x 1 (USB display, audio and pen control) USB connector: Type A x 1 (USB memory/document camera) HDMI x 1 RJ-45 x 1 Serial: RS-232c x 1 Monitor out: D-sub 15pin x 1 Audio out: Mini stereo x 1 Microphone: Mini stereo x 1 Wireless LAN port: 802.11 b/g/n Speaker: 16 W mono Built-in interactivity -powerful projector and pen combination provides a complete interactive solution without the need for expensive electronic whiteboards PC-free annotations built in -write on projected images from your iPad/iPod, Android document camera, Blu-ray player or any source you can connect to the projector; write directly on ordinary whiteboards, PC-free Long-life lamp -up to 6000-hour lamp life. Flexible connectivity -RJ-45 LAN (with included software) and RS-232 connectivity; HDMI with HDCP support; USB and VGA