200-250mW DIY Red Laser Engraving Machine Kit from banggood
Channel: techfreak
Date: 2016-02-27

http://techfreak.pl/mini-laser-grawerowania-test/
Check on banggood: http://goo.gl/flIYma

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Please watch: "TAROT 130 TL130H1 Mini FPV racer - Airgate - gearbest.com" 
https://www.youtube.com/watch?v=I6q4hc-Bh-w
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