User interfaces for light management systems. Product features: Radio receiver for batteryless EnOcean radio pushbuttons for 2 lighting groups. Maximum power input: 1.5 W. Frequency band: 868.3 MHz. 2 floating semiconductor relay outputs max. 45 mA/240 V. Up to 30 transmitters can be trained. Product benefits: Dimming without control line by maintenance-free EnOcean radio technology. Areas of application: Wireless control in industry and office areas. Ceiling or independent installation via LMS CI BOX possible. Equipment / Accessories: Suitable for up to 15 QTi DALI ECGs, OTi DALI ECGs or HTi transformers per output.