1. The day and night curtain uses the yarn and the fabric union way, the day curtain fully penetrates the scene and the appropriate barrier light, improves the visual comfort; The night curtain may effectively block the outdoor light, enhances your spatial privacy. 2. Storing air in the hollow layer can effectively isolate sunlight and prevent heat from entering the room, which can improve energy-saving efficiency and save electricity. 3. the unique honeycomb structure can effectively prevent ultraviolet from damage to furniture and human body. 4., the height and location of the organ curtain can be freely determined. 5. electronic positioning setting, setting upper and lower limit is convenient. 6., it can be matched with different control systems, with good compatibility and strong expansibility. 7. single control or group control operation can be adopted.