2-way button R.1/R.3, black, glossy. 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, halogen-free.