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Power input: standard 5.5mm 2.1mm female DC socket Jack power plug. B Connect resistor in series with lights. 1pc Circuit Board and the accessories you will need, as the picture shows. But the total output current must be less than input current.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.