Homerilla Arden motorized roller shades offer a seamless blend of modern design and advanced functionality. With a simple remote control, it effortlessly glide to provide optimal light control and privacy. For those who seek complete darkness, adding optional side bars can enhance the coverage and achieve 100% blackout. It is perfect for bedrooms, media rooms, or nurseries. Width range: 20-94 inches; Length range: 60-106 inches. Inside Mounted: Measure the window inside width and height. Deduct 1/5 inch on the window width to get the shade width to ensure a proper fit inside the window frame, shade height could be the same as the window height. Ensure you have enough window depth, at least 3 inches. Outside Mounted: Measure the window frame width and height. Add 3~6 inches to the window frame width and 5~8 inches to the window frame height. Install on the frame, shade size could be the same or slightly smaller than the window size. If your windows are close to each other, you can use the width of the window View our instructions on How to install Motorized Roller Shades