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Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
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Sonoff 4CH PRO R3 Wifi Smart Switch Inter Lock Inching Lock Mode DIY Timer Switch Via Ewelink APP Work with Alexa Google Home - AliExpress
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Sonoff DIY 4CHPROR3 4-gang 4 way Wi-Fi Smart Switch with Control via Remote eWeLink Alexa Google Home (Support RF 433MHz Remote) - Dunia.com.BD
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Itead SONOFF 4CH R3/ 4CH PRO R3 Wifi Switch Module 4 Gang Wi-Fi DIY Smart Switch APP Voice Control Smart Home Works With Alexa - AliExpress
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Sonoff 4CH R3 WiFi DIY Smart Switch 4-Way Home Automation Switch Module Compatible with Alexa Google Home : Amazon.de: DIY & Tools
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SONOFF 4CH R3 -230V 10A 2200W 4 Gang WiFi DIY Smart Switch Inching/Self-Locking/Interlock 3 Working Mode APP Remote Control Switch Works with Alexa and Google Home – Sonoff India
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