IoT WIFI Smart Switches
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IoT WIFI Smart Switches
Sonoff Smart Stackable Power Meter – (SPM Main Unit Only)
SKU: 1487148- One SPM-Main can be connected 32 SPM-4Relays.Â
- You can monitor the power consumption by checking the eWeLink app on your mobileÂ
- Each channel can support a maximum current of 20A
- SPM-4Relays via RS-485, which enables long-distance multi-terminal and stable data transmission.
- Overload protection can protect your devices from being burned out.
SKU: 1487148 -