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Wiring Diagram for SONOFF / ITEAD WIFI Light Switches in 4-Way(3 Switches controlling same lights) or 3-Way Hallway Installation with EWELINK App — Steemit
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electrical - Using Both Sonoff Wi-Fi Switch and Existing Wall Switch to Control Light - Home Improvement Stack Exchange
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Two Different Types of Wall Switches: Neutral Wire Switch and Single Live Wire Switch - SONOFF Official
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SONOFF Zigbee MINI-L Smart Switch, 2 Way Light Switch, ZigBee 3.0 Hub Required, No Neutral Wire Required - Walmart.com
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