Da-Lite Contour, TNSD 130D DM Projection ScreenThe Dalite 37602LS Contour Electrol Projection Screen makes a great addition to any school room or business boardroom. It features a strong extruded aluminum case which is available in either black, white or graphite finish. When not in use, this screen easily retracts into its case which can either be mounted on a wall or in the ceiling. In addition, the screen fabric may be installed at a later date after the case is roughed in. The motor is