SONOFF STACKABLE POWER METER 4RELAY FHT2322D RFID & FP Three Arm Full Height Double Turnstile Video talk and door lock

Video talk and door lock release enable

Communication: Supports various communication protocols

Power consumption:10mW

no anti-flicker module is required

SONOFF STACKABLE POWER METER 4RELAY FHT2322D RFID & FP Three Arm Full Height Double Turnstile Video talk and door lockSONOFF 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