tender for side wall mountable projector with 3 year warranty wxga rgb liquid crystal shutter projection system (3lcd) usb 2.0 type a, usb 2.0 type b, rs-232c, wired network, wireless lan a/n (5ghz) (optional), vga in (2x), vga out, hdmi in (2x), composite in, stereo mini jack audio out, stereo mini jack audio in (2x), cinch audio in optical 8,000 h durability, 17,000 h durability above