Actually, SONOFF has ever released two types of 4-gang smart switch (4CHR2 and 4CHPROR2.). Sonoff 4CHR3 or Sonoff 4CHPROR3 1. Sonoff 4CHR3 or Sonoff 4CHPROR3 User Manual 1. For the device away from the switch, you can create a moveable space in virtue of a DIN rail to make them be connected.
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