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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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30pcs 5V 650NM 5Mw Red Dot Laser Head Red Laser Diode Laser Tube 6mm with Leads Head (30PCS): Amazon.com: Industrial & Scientific
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650nm 5mW Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode
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