Focusable Adjustable 405nm Violet Blue Laser Module Dot/Line/Cross 10mw/20mw/50mw Aligment Lights 3-5V 12*25

Focusable Adjustable 405nm Violet Blue Laser Module Dot/Line/Cross 10mw/20mw/50mw Aligment Lights 3-5V 12*25

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