Buy on Amazon.com : http://www.amazon.com/gp/product/B005B1AD1Y?tag=lottalatte-20 <br /> <br />Dell F9XX5 Wireless USB Dongle for Dell Projectors <br /> <br />60 <br />LED Edge-Lit <br />Wireless capabilities and enhanced features allow for 4-to-1 split screen <br />Wirelessly connect up to 30 PCs to the projector at one time <br />This product is compatible with the following systems 4220 - 4320 - 7700HD - M110 - M115 HD - M900 HD - S500 - S500WI
