The advantages of the Delta Iris Siemens range A range that can be adjusted according to your desires Mix the colors and textures of the plates and mechanisms of the Delta Iris range to create a personalized atmosphere for your home. You can choose from 48 possible combinations. Power outlets protected by eclipses Two small shutters close the outlet holes. As a result, if a child tries to insert a finger or pen into one of the holes, there is no risk of it.