Sonoff 4CH Pro R3 10A /Gang 4 Channel Wifi Smart Switch 433 MHZ RF Remote Wifi Lights Switch Supports 4 Devices Works with Alexa
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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, Compatible with Alexa(2 Pack) - Amazon.com