Sonoff 4CH Pro! Sonoff 4CH Pro is a 4 channel din rail mounting 433MHz RF remote WiFi switch that can independently control the 4 home appliances. It supports switching among 3 working modes: inching/interlock/self-locking mode.
Power supply: 90-250v AC(50/60Hz)/5-24v DC. Max current: 10A/gang.
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