WiFi Switch - for windows, doors, gates, WiFi connection, compatible with Google Assistant and Amazon Alexa, application for Android and iOS in Czech and English Make homesmarterSonoff 4CH R3 is an improved version of its predecessor 4CH R2. It is a 4-channel WiFi switch designed to connect up to four devices. It allows perfect control over their operation through the secure cloud environment Amazon Web Services (AWS) in combination with a mobile application from anywhere in the world. NUMBER OF DEVICES4 CONNECTIONWiFi POWER SUPPLYfrom the network Differences between 4CH R2and 4CH R3The new version of the Sonoff 4CH R3 switch has an improved design, allows for easier installation and, last but not least, boasts a stronger connection of wires, newly with screws. You can handle everything in the mobile applicationSonoff 4CH R3 allows switching of...