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Specification:
Name: Blue Laser Pointer Pen,Violet Blue Laser Pointer
Material: Brass
Wavelength:405nm
Batteries: 2 pcs AAA
Output power: 1mW-200mW
Color: Black/Silver
Features:
Pen style, portable
well tested and high quality blue laser pointer
Clearly visible in the dark
fixed focus, continual output power
higher power 405nm Blue Violet Laser Pen