The 90 angle for smart curtains is designed to improve the efficiency and functionality of your home. The innovative design ensures a perfect fit for your curtains, providing smooth and precise movement for opening and closing. Say goodbye to tangled cords and hello to effortless control. Plus, with its smart technology, you can program your curtains to open and close at specific times or control them from your phone or voice assistant. Elevate your home with this must-have curtain accessory.