Hotel switch, indoor unit, 1-way, AC 230 V ~ for hotel rocker indoor unit item no.: .. RU KO5 D .. with red LED lamp with spring terminals for rigid conductors up to 2.5 mm2 connection terminals in accordance with DIN VDE 0632 (EN 60669) (screw fastening, without fastening claws) The indoor unit is used exclusively to control the LEDs of the outdoor unit.