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Sonoff 4CH & 4CHPRO joins R3 revision - NotEnoughTech
Sonoff 4CH Pro - ITEAD Wiki
Sonoff 4CH PRO R3 ITEAD 4-Gang Wi-Fi Smart Switch With RF Control App Support Timing 3 Working Modes - Newegg.com
The Sonoff 4CH Pro - Scargill's Tech Blog
4CH Sonoff 4CH Pro-WiFi&RF; Smart Switch User Manual 4CH pro 说明书x ITEAD Intelligent Systems
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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, Works with Alexa(1 Pack): Amazon.com: Tools & Home Improvement
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Sonoff 4CH PRO R3 4 Channel Din Rail Mounting Wireless Smart Home WiFi Switch | eBay
SONOFF - Main differences between the R2 and R3 for 4CH &... | Facebook
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(1 Pack): Amazon.com: Tools & Home Improvement
Sonoff 4CH & 4CHPRO joins R3 revision - NotEnoughTech
Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
