Beautiful water lamp circuit The solder learning kit has proper circuit design with led indicator, easy to check your soldering result, they will be a flashing LED light after soldered and powered with DC 5 - 7V, very interesting effect.Please contact us to get the PDF English Manual if necessary.Parameter:Power supply voltage: DC 3V-5VPrecautions for welding: SMD components are relatively small, be careful not to lose.Package Included:
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