The link you followed will bring you to this page:

https://www.rubinetteriashop.com/it/rubinetti-temporizzati-a-pulsante/222-772-rubinetto-lavabo-con-arresto-temporizzato-e-comando-a-pulsante-idral-08111-08111-pm.html#/349-acqua-normale/1161-temporizzato-15_secondi