1.The curtain is made of mechanical roll foring, ied with polyurethane foam, Night and strong 2. The product is used for the top sutface of the outdoor glass. the temperature difference between the summer sun room before and afer the installation and installation can reach 20-30C 3.The curtain can be completely opened and closed,and the lighting intensity can be freely selected.and the blackout is completely closed when closed 4.Connected to the home smart. so you can control freely wherever you are.