405nm Blue Laser Pointer , Blue Violet Laser Pointer
It is clearly among darkness, beautiful effects.
cheapest and hotest

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