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Presence and twilight sensor Steinel HALLWAY KNX V3.5 surface-mounted IP20 square white
Summary description:
Steinel HALLWAY KNX V3.5 is a surface-mounted presence and twilight sensor in a square white housing with IP20 protection. Designed for KNX systems, it detects motion and ambient light to control lighting automatically. Suitable for corridors, stairwells and entrance areas where integrated presence detection and dusk sensing are required for energy-efficient lighting control.