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SS[_2_] SS[_2_] is offline
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Default single phase Watt hour meter

Just recently moved into this house and it has a single phase watt hour
meter, it is positioned just above the normal main switch box.
To be honest I dont know if I had similar in my previous house.
What is it? as in whats it for.
and
Every so often I see a red light flash on momentarily, what is that for?