For larger venue installs, the Tensioned Professional Electrol® is a tensioned screen that can be ceiling recessed, wall mounted or suspended from the ceiling. The screen features a wooden housing with adjustable brackets that can be used in any type of installation.The Tensioned Professional Electrol does not include the ceiling trim flange or painted automatic closure door. See Tensioned Large Advantage Electrol for easy installation or Tensioned Large Advantage Deluxe Electrol for easy installation and the aesthetic of the white automatic closure door.- Slim-Tab, a lower profile and stronger tab design to keep your screen perfectly taut- Smooth Roll Technology to keep your screen perfectly flat- Tensioning Cable System to prevent warping and ensure even lateral tension- Three-position, Decora-style switch- Standard black backing retains projected brightness on front projection surfaces- Black painted case- Seamless surfaces in all models