SPM Pro 4‑Relay Smart Meter

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Sponsored SONOFF SPM Smart Stackable Power Meter RS-485 20A 4-Relay Overload Protection Metadata Power Monitoring Smart Management System

144.83 USD
Price updated on: 05-02-2026 04:28:38
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Identifiers
MPN Sonoff SPM-4Relay
Dimensions / Weight
Key Features
Sonoff