Messa a fuoco regolabile 450nm 1,6W blu modulo laser incisore PWM testa laser

1pc Focusable 445nm 450nm 1.6W Blue Dot Laser Diode Module Engraving Lasers w TTL &Fan. Engraving material Laser Shape: Dot. Optical Lens:φ 6.33. Optical Output Power: 1.6W. Working Mode: Pulse work.

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