Single button B.3/B.7, anthracite, matt. Single button for plugging onto suitable inserts of the 2012 electronic platform, low energy consumption, with two-surface operation, switch-on brightness can be stored safely in the event of a power failure when used on a dimmer insert. Operating voltage provided via insert. Flush-mounted installation, surface/design program. Material: plastic, thermoplastic, shatterproof, halogen-free.