450nm 5mw Blue Line Focusable Laser Diode Module driver 12x35mm 3-5V. Size: 12x35mm. Wavelength: 450nm. Focusable :Yes. 1x 450nm 5mw Laser Line Module. Output Power: ≤5mW. Note: The black wire is the negative pole, the red wire is the positive pole(This module does not have anti-reverse protection, the wrong connection will lead to burn).
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