Smart Wireless Switch Light 433MHz RF Remote Control Wall Switch with Touch Panel for Light LED - China Smart Switch, APP Control | Made-in-China.com
Interruptor TX sem Fios 433mhz - Domot
Tedeligo Wireless Switch Kit, RF Radio Transmitter 433 MHz Wall Switch Wireless Receiver AC 220 V 230 V 240 V up to 100 m Remote Control for Lights : Amazon.de: DIY & Tools