The ekey home control unit mini with one relay can control a device with its relay. This control unit is used to open front doors, apartment doors, garage doors, etc. The control unit is intended for use in the home and business sector. The ekey home control unit mini with 1 relay is intended for DIN rail mounting in the distribution box on a 35mm DIN rail and for use in protected indoor areas. To operate it, you also need a suitable finger scanner and a suitable power supply.