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Laser Diode - 5mW 650nm Red : ID 1054 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: 15pcs 5V 650NM 5Mw Red Dot Laser Head Red Laser Diode Laser Tube 6mm with Leads Head (15 PCS) : Industrial & Scientific
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Amazon.com: Quluxe 650nm 5mw Laser Head Laser Tube Adjustable Focus 3~5V Red Laser Tube, Laser Head Industrial Laser (Pack of 3) : Industrial & Scientific
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