2pcs Violet/Blue 405nm 20mW Focusable Line 3-5V Laser Diode Module 13x42mm

2pcs 405nm 20mW Violet/Blue Focusable Line Laser Diode Module. 2x 405nm 20mw Laser Line Diode Module. Focusable :Yes. For close range use. Working Current: <55mA Laser Shape : Line. Laser reflects blue/violet light depend on materials.

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