Sonoff SPM-Main reviews: 4.6/5 based on 52 analyzed reviews from 2 sites, updated November 2, 2026.
Praised: smart features and relay management.
Review summary
Written by Augur from the 52 reviews analyzed
The Sonoff SPM-Main is a smart connected meter particularly appreciated for its energy management features. Users highlight the efficiency of its connection with the various relays in the same range. It is a powerful tool for centralizing and precisely tracking the electricity consumption of your installation.
What buyers talk about most
+Strength : Smart featuresThe consumption tracking and remote control options are particularly comprehensive.
+Strength : Relay managementThe connection and communication with the additional relay modules are smooth and reliable.