The combination of high-efficiency light sensing, magnetron sputtering,and nano-film lamination combines UV filtering, shading adjustment,and infrared thermal anti-function to dynamically transfer solar energy into the room. cut back,Instantly in the hot summer months, still feel the softness and coolness of the light. Feature 1. Accurately sense light change 2. Repaid change VLT% 3. Superior aging resistance 4. Environmentally, friendlyArchitectural Film website:http://www.isffilm.com/architectural-film/