650nm 250mW 5V Red Line shape laser module High power positioning instrument
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Source Openxt 638nm Red TO18-5.6mm 640nm 250mw diode laser HL6388MG on m.alibaba.com
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Blue 405nm, 250mW, Free-Space OBIS Laser by Coherent
Amazon.com: 12V Mini Laser 250mw White RGB Laser Dot Module & 5V TTL Control Colorful Laser Module : Industrial & Scientific
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Homemade 250mW Burning Red Laser - YouTube
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650nm 10/50/100/150/200/250mw Red Laser Diode Module Dot/Line/Cross Holder Power – WallBuilders