Buy on Amazon : http://www.amazon.com/gp/product/B00BU3ZPRO?tag=catfoodrevi0a-20 <br /> <br />Elite Screens Inc. ZU12V Universal Wireless 5-12V Projector <br /> <br />Universal wireless projector trigger <br />Compatible with only Version 20 Elite Screens Electric Roll UpDown screen <br />No 12V trigger output required from projector <br />Synchronizes to the projectors power cycle to wirelessly drop and rise the screen <br />Control distance range up to 80 feet
