50mw 532nm Halfsteel Mid-open Green Laser Pointer Pen(2 x AAA included)

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50mw 532nm Halfsteel Mid-open Green Laser Pointer Pen(2 x AAA included) Overview

As the low powered green laser pointer, this 50mw laser pointer pen is produced at a frequency of 532nm, and widely used in astronomy, classrooms, lecture halls, exploring, and outdoor travel.Its delicate feature and sturdy construction have fascinated millions of people who has a preference for them.