22161835 LM-RCW4 b+c+j+k Rocker switch, 4x, light, white, for personal adjustment of actuators in a room lighting scene. The package and 4 x rocker switches are made of plastic in white satin-matt finish. All buttons are printed with intuitive pictograms. Fitted in a single standard Euro box or UK metal backbox; screws invisible after installation. The control unit is connected to the bus and optionally to the supply using a pluggable screw terminal (interchangeable polarity). Power supplied by an external power pack 24VDC, AC or directly via the bus. Dimensions: 87 x 87 x 13 mm, weight: 0.1 kg.