ELRO FS180521M 2-Pack Smoke Alarm with Magnet Mounting 5 Year Battery and Conforms to EN14604, White, 2er Packung, Set of 2 Pieces : Amazon.co.uk: DIY & Tools
ELRO Connects - Bindings | openHAB
Elro smoke detector - compliant with the European standard. : Amazon.de: DIY & Tools