Super narrow frame, large sky ratio,Specification: 1170*1170 mm, 45mm border width, 1080*1080mm sky size • Dynamic sky, with moving clouds • Multi-Ewindows splicing to achieve sky linkage • Simulate 24-hour sunlight changes • Bright sunshine follows sunlight spectrum • Large sky outlet, narrow frame border Intelligent control, automatically adjust the light color for 24hours cycle, and a variety of scenes to choose , can be connected to a variety of digital control protocols. Ra95, restore a true color of object as in natural light, visual experience of discovering highly quality light source.