Trim at home using patented measuring scale for a perfect fit. Trimming tool and cutting guide are included * The 30-Inch width can be trimmed to fit windows 20-Inch to 30-Inch using our patented measuring scale * Easy to install utilizing a simplified version of traditional bracket mounting for inside or outside mount * Cordless lift control is safe for children and pets; no exposed cords * Honeycomb cellular fabric, available in white or natural, provides a clean, crisp look while aiding in energy efficiency