The measurement function allows for reliable detection of powered devices. This enables the switch-measurement actuator to be used in existing cross and toggle circuits. Convenient control via the Homematic IP app or the Homematic IP remote control. Compact design for installation in standard flush-mounted boxes. Integration into existing switch series is possible by utilizing existing frames and rockers. Can be integrated into the most common designs of leading switch manufacturers with the appropriate adapter: Busch-Jaeger, Gira, Merten, Berker, Jung, düwi, Kopp. A neutral conductor must be present for installation. Comfortable and personalized voice control, for example via Amazon Alexa or Google Assistant. For operation, the Homematic IP Access Point is required in conjunction with the Homematic IP app, the Homematic Central CCU2, or a suitable partner solution.