50mW blue voilet laser pointer Material: Brass New Blue Laser Light Wavelength: 405nm 1mW,5mW.10mW,30mW,50mW,100mW, 200mW..

 50mW blue voilet laser pointer/blue laser pointer/purple laser pointer pen

 Size:145*15(Dia)mm

 Batteries: 2pcs AAA

 Material: Brass

 Color:Black

 Output Power:1-300mW(1mW,5mW,10mW,30mW,50mW,100mW,200mW.....)

 Wavelength:405nm

 Logo: print or engraved

Packing: 1 Gift box/pc

cheapest blue voilet laser pen/purple laser pointer