Hollow 125 Flat Louver Sunshade Panels feature a hollow structure, offering high strength and large span. When paired with glass curtain walls, they can achieve sun protection, natural lighting, and decorative effects for buildings. The slat louvers can be installed horizontally or vertically (or fixed in place), and with the motor-driven rotation of the slats (0° to 120°), the indoor lighting effect can be changed to achieve sun protection and energy-saving goals. Features: 1. The slats are in a dart shape with double curved surfaces, presenting an elegant and high-tech look. The cross-section is large and hollow, offering high strength, meeting the requirements of flexibility and extensibility for hollow dart-shaped louvers and exterior louvered facades, suitable for large spans and capable of protecting glass curtain walls; 2. The slats are slightly arched, reducing positive wind pressure when closed, providing sun protection不受wind influence. The slat angle is adjustable from 0° to 105°, allowing adjustment based on the angle of sunlight to achieve sun protection and light control; 3. Hidden or external motor drive with rods, a scientifically designed structure that allows easy installation and assembly, ensuring reliability; 4. Suitable for horizontal or vertical installation (including fixed), applicable to large glass curtain walls and glass ceilings in various modern buildings, providing sun protection for indoor and outdoor flat, vertical, and sloped buildings. The grand and majestic structure, with slat colors available according to designer or client preference, complements architectural decoration.