
As a professional in the Industrial and Scientific field, I purchased these indicators with high expectations. As a result of my tests, I determined that the them is inadequate in providing reliable negative circuit protection. The only pro is the low price; however, the cons heavily outweigh it. The misleading indication lights and subpar durability make this product a regrettable purchase. I do not recommend this product in the Circuit Protection Products category for any professional or industrial applications.

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