EAN: 6920075776980

SMART SWITCH SPM-4RELAY 4 X 20A WIFI

Sonoff SPM-4Relay smart switch  which  in combination with the SPM-Main module (sold
separately)  enables measurement of power consumption. It can handle 4 independent channels 
and also allows you to use overload protection to protect your devices from damage. At the same
time  the product is very easy to install - you can easily mount it on a guide rail.

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