The Tensioned Contour® Electrol® is a ceiling or wall-mounted electric screen offering simple installation. A variety of finishes make this a seamless addition to any room. 21:9 Ultrawide Format The Tensioned Contour is now available in 21:9 Ultrawide Format part numbers. Ultrawide format is quickly becoming the standard for displaying hybrid video conferencing solutions, where all attendees, whether they are in person or virtual, are equitably seen and heard.