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NEJE 20W Laser Module DIY Kit 450nm Professional Continuous 5.5W Laser Cutting Engraving Module Blue Light with TTL / PWM Modulation for Laser Cutting/Engraving Machine CNC DIY Laser Compatible with Arduino

14% OFF NEJE 20W Laser Module DIY Kit 450nm Professional Continuous 5.5W Laser Cutting Engraving Module Blue Light with TTL / PWM Modulation for Laser Cutting/Engraving Machine CNC DIY Laser Compatible with Arduino US$136.49 US$158.99 View It

Overall:

deepblue 09/04/2021

Several tests with 5000mW did not give the expected results. With this range, I must pass without problem with the CNC. The product is well finished, with its adapter and converter for EU plug. Great, keenly the first tests. In addition, it comes with the appropriate glasses because the light density is really higher. We can never say it enough ... ATTENTION TO THE EYES ... The work surface is not perfectly flat and can sometimes reflect radiation, the damage would be irremediable to the eyesight. At this power we have long since left the toy stage !!!!

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