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Titel:DIY Focusable 445nm 4W 4000mW Blue Laser Module,High-power For CNC Cutter Engraver Engraving Machine Adjust Freeshiping by DHL Product spec: Body size: 50mm long*50mm wide*100mm high Output wavelength: 445nm-450nm Output power: 4W Modulation frequency: ttl can adjust 0v-off/5v on/pwm frequency Working voltage: DC=12v Working current: I Working temperature: 15-45 degree centigrade 1 x 4000mw laser head Warm notice:This shipping fee is not included the remote area delivery charge, if your address in the remote area the express company(DHL/Fedex) would ask to pay extra 38usd for remote area delivery, we will help to check your address postcode and city name before ship and let you know, hope you can understand.Aramex will easier pass customs checking than DHL or Fedex, so if your country support ship via Aramex you can choose this shipping way, it as fast as DHL. Shipping 1.Our main shipping method is via D
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