2-way button S.1/B.3/B.7 polar white, matt. 2-way button, matt, for plugging onto suitable inserts of the 2012 electronic platform, low energy consumption, with two-surface operation per series, switch-on brightness can be stored in a power failure-proof manner when used on dimmer insert per series, operating voltage provided via insert. Flush-mounted installation, standard/surface/design range. Material: plastic, thermoplastic, shatter-proof, halogen-free.