Nice priced product with design flaws.
You should be aware of the fact that you will need to make some modifications to get this product useful. Especially important is to fix the temperature design problems, the temperature measurements can be off by 20-30 degrees due to the simple fact that the electronics is contained in a hot space. You might also want to swap out the tape that covers the isolation, it smells awful when heated.
Otherwise it is excellent value for money, and there are lots of blog posts explaining how to modify it to get the most out of it.
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