1.The curtain is tioht stronn aganst impact and has a strong anti-theft functiong 2 The structure desian of the slats combines with the principle of light ditfraction. when half-openino. you can see the outdoor scenery while the outdoor can't see the indoors clearlys 3.When the curtain is closed,it can achleve the effect of preventing rain and blackening 4.Connected to the home smart so you can control theely wherever yo are.