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Sonoff 4CH R3 4-gang WiFi Smart Switch
$23.00 – $28.00
Independently/Mutual Control 4 Devices】Turn on/off the 4 connected devices separately in self-locking mode. Turn on 1 device but turn off the other 3 devices at the same time in interlock mode. Turn on the connected devices but automatically switch off after 0.5-3600s later in inching mode.
【[Dry Contact】If your device does