1.The slats are punched out of the small holes by means of continuous punching, which can effectively prevent mosquitoes from entering the roomt 2.The curtain is tight strong against impact and has a strong anti-theft function 3. the structure desian of the siats combines with the principle of liaht diffeaction. When half-opening. vou can see the outdoor scenery while the outdoor can't see the indoors clearly: 4.Gonnected to the home smart so you can control treely wherever you are.