€84.99 Sonoff 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation, Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa - - Amazon.com
Commutateur intelligent de Wifi RF de Sonoff 4CH PRO R3 4 Modes fonctionnants de la bande 3 | AliExpress
![4ch](https://i.ytimg.com/vi/4rG5sx0gAzU/maxresdefault.jpg "4CH Four Corner Hustlers \")
