How do I pair my brennenstuhl®Connect WiFi Smoke Detector RM A 3020 (1290090010)?

Start the brennenstuhl®Connect app
Tap the red plus and select: "Add devices"
In the device overview, select the correct device with the article number (1290090010).
Put your device into pairing mode: Press the test/pairing button 4 times within 3 seconds. When pairing mode is active, the circle blinks red rapidly.
Follow the instructions in the app to connect your device to your network