Siemens Delta arina is a family of products that leverages human-centered design insights to create beauty and impact in hotels and households alike. The product suite includes light switches, sockets, and doorbells. The design language is defined by elegance, harmony, and seamless integration with the living space. Solid, sleek, and easy-to-use, the Siemens line marries engineering innovations with a signature industrial design language. A hidden LED light provides soft illumination. Gloss and matte contrasts visually illustrate functions.