System 106 call button module made of stainless steel V4A, 3-way - Pleasant to use, vandal-proof and scratch-resistant call buttons. - Functional changes, e.g. from 2-way to 4-way, can be easily implemented by replacing the buttons. - Various labeling options possible. Professional labeling via the Gira labeling service {b}www.beschriftung.gira.de{\b}.