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Sonoff Temp & Humidity Switch
it will be fully operational (assuming the server settings have been preconfigured)
no anti-flicker module is required
this controller ensures effortless updates and smooth performance
Communication: Supports various communication protocols
SONOFF STACKABLE POWER METER 4RELAY FHT2322D RFID & FP Three Arm Full Height Double Turnstile Sonoff Temp & Humidity SwitchSONOFF STACKABLE POWER METER 4RELAY Sonoff Smart Stackable Power Meter 4Relay The Sonoff Smart Stackable Power Meter 4Relay is the required unit which works using the SPM Main unit. Additionally the SPM Main communicates with the cloud through Ethernet or WiFi, as well as communicates with the SPM 4Relays through RS 485, which allows for multi terminal and stable long distance data transmission. **Note : The SPM Main Unit and 4 Relay of the Stackable
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