Becker CentralControl CC41 Smart Home Central Control for B-Tronic, C-Tronic and C-Tronic Plus (CC41 (without USB Wireless Stick)) : Amazon.de: DIY & Tools
Becker Centronic EasyControl EC545-II 5-Channel Handheld Transmitter, White, Awning and Roller Shutter Control : Amazon.de: DIY & Tools