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5pcs/lot 5v Laser Diode 650nm 5mw Red Dot Diode Laser Head, Red Laser Diodes Module Red Sight Copper Head Mini Laser Pointer - Diodes - AliExpress
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Amazon.com: HiLetgo 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm : Industrial & Scientific
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