The Voltcraft SEM6000 is easy to set up, but it can only be controlled remotely from Bluetooth. In the test, the socket determined the energy consumption relatively accurately. However, the app does not work with Siri, Alexa and SmartHome systems.

The Voltcraft SEM6000 from Conrad Electronic measures energy flow and switches connected loads. To operate and query the device, it is connected to an iOS or Android smartphone via Bluetooth. The hardware is exceptionally compact and measures very accurately compared to our reference...