250mw Laser Power Diy Mini Laser Engraving Machine,mini Marking Machine,diy

US $25.00

  • Shenzhen, Guangdong, China
  • Jan 30th
Get started on this exciting DIY project today! With a diameter of 0.48 inches (12mm) and a length of 1.8 inches (45mm), the machine can be connected by red for positive and black for negative. The output power ranges from 200 to 250 MW, and it only requires 3-5VDC voltage and an electric current of less than 300 mA. The 250MW laser-powered mini laser engraving machine and mini marking machine with a red laser wave length of 650nm is a DIY project worth trying.

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