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For the same reason any of them are adjustable? Different usage scenarios, different types of contents?

If you're changing the contents and need to change the temperature, shouldn't someone at the local store be there changing the contents?

I'm not even sure of a scenario where remote control from off site is faster or more convenient. I could see a managers office wanting a connection to them maybe.

Monitoring for compliance is almost certainly easier to manage remotely, which is probably why they're connected in the first place. I would guess control was likely a nice value add. e.g. so someone could respond to an alert remotely

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