9V500mA mini switch power supply module board Built-in module power supply AC-DC step-down module 9V switching power supply ► Photo 1/1

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9V500mA mini switch power supply module board Built-in module power supply AC-DC step-down module 9V switching power supply

Seller:
Alitools rating:
94%
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Aliexpress rating:
20%
0.66 $
5   orders
/
1   reviews
Rating: 1

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Customer Reviews

n***m
September 2, 2020

I ordered 9v buck converter. but I received 12v. why this problem?