I second this.
In addition to making on/off OPTIONAL in the app, turning it off should also disable the hard button on the device.
There is s strong reason for this: You can use smart sockets for circuits that only have one device on them, so you spare one of the 16 probes for that. But those circuits tend to be critical devices …. fridge, sump pump, garage overhead door. You don’t want your very non-critical monitoring function to disable your highly critical device function.
Ideally you would sell a “not so smart socket” … that just does monitoring and nothing else.
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