The 46.0 x 73.5" IDEA Dry Erase Interactive Wall Screen from Da-Lite has a silver frame, 2.5 Gain rating, and 50° viewing angle. This screen serves as both a projection surface and an interactive whiteboard. It features a write/erase projection film permanently bonded to a tempered hardwood that can be used for short-throw front projection, or written on with the included set of markers or an optional interactive stylus. The surface is also magnetic. The screen has a rigid and thin extruded aluminum frame with a 24" long bottom tray to hold the included markers, eraser and screen cleaner. It comes with a bracket that facilitates wall mounting. The IDEA Screen is both GREENGUARD and GREENGUARD Gold Indoor Air Quality Certified.