CL200BT motorized Drapery track system is designed for straight line windows, bay windows, corner windows, and any custom curved window . The track can be set up to open/close from left to right, right to left, or center to both sides. It can be mounted anywhere on the ceiling, or on the wall with adjustable off wall distances between 0.25″ to 3.25″. The motor can be plugged into your wall outlet or hard-wired into your electrical system. The motor can be mounted on the left or right side. It can be operated by the remote, timer, wall switch, any dry-contact relay controller, smartphone with an add-on hub, and voice-controlled by Google assistant or Amazon Alexa with an SmartCtrlPro hub. Note: If you try to set up a track to cover bay windows and corner windows, you have to order curved tracks separately. The 1350-degree curved track works for most bay windows and requires the straight track kit and two 135-degree curved tracks. The 90-degree curved track works for corner window and requires the straight track kit and one 90-degree curved track. FeaturesCan be used for bay windows or corner windows with optional curved tracks(sold separately)Automatically program fully open/close two end positions; no limited switch setupCan set any position as your favorite position (a position between fully open/close position)The motor will intelligently continue to finish opening/closing draperies when starting to open/close draperies by handCan be operated by a remote, timer, wall switch, smartphone, and any other dry-contact-relay controllerCan be voice controlled by Google Assistant or Amazon Alexa with smartphone add-on hubCan be operated by hand when power is offSlow start/stop, runs smoothly, precisely, and ultra-quietlyOverload and jam protection SpecificationsOperation voltage: 110VAC to 240VACOutput power: 50+90+50=190) straight track and another order of two 135-degree curved tracks. Try to make note of bay windows 50-90-50 when you place the order.