2-way button Q.1/Q.3 polar white, velvet. 2-way button for plugging onto suitable inserts (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 program. Material: plastic, thermoplastic, shatterproof, halogen-free.