The Contour Electrol is the latest ceiling or wall-mounted electric screen offering simple installation. A variety of finishes make this a seamless addition to any room. This screen does not include the Tensioning Cable System. See Tensioned Contour Electrol for this feature. Standard Silent Drive System to keep your screen whisper quiet (sizes up to 10 x10 ) Standard Low Voltage Control (LVC) to keep your screen operation flexible Support includes a comprehensive five-year warranty to keep you confident in your purchase Decora-style, three-button wall switch with control connections on the back Dry contact interface Projector trigger (5-12V) Standard black backing retains projected brightness Seamless surfaces Standard white powder-coated aluminum finish; available in black upon request