2-way button B.3/B.7 anthracite, matt. 2-way button 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 safely in the event of a power failure when used on a dimmer insert per series, operating voltage provided via insert. Flush-mounted installation, surface/design program Material: plastic, thermoplastic, shatterproof, halogen-free.