Compatibility: This electric curtain opener fits Roman rods, Ushaped rails, and Ishaped rails, making it suitable for a wide range of window treatments and decor styles. Remote control ease: The included remote allows you to open or close the curtains from anywhere in the room, providing convenient control of light and privacy. Extended battery performance: Equipped with a 4000mAh battery, it can last up to six months on a single charge, offering dependable use without frequent recharging. Use scenarios: Living room: automate daylight control for comfortable ambiance and privacy during evenings or movie time. Bedroom: support morning wakeup routines with gradual light control and nighttime privacy by closing curtains. Home office: reduce glare during video calls and maintain privacy when needed.