2 of 2 people found the following review helpful
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This review is from: JACKYLED 10 Pack 2.1mm x 5.5mm Female CCTV Power Jack Adapter (Personal Computers)
These connectors all worked for my CCTV system, I didn't have one bad connector in the entire batch. I would recommend these items to others since I didn't have any issues. Once the screws are tightened down the connectors will not fall off.