The Baroness and Vienna have been designed for smaller windows and feature a corrosion resistant all aluminum satin anodized exposed frame, white powder coated hardware and 2 regular duty internal spring arms. The Vienna can be controlled with either cord or tape. The Baroness™ comes with a cassette box and cord or tape operation but gear or motor are also an option (up to 28" projection). Maximum width is 12' for individual window and limitless for series connection (available on Baroness only).