200mW 650nm Red Beam Light pointeur laser rechargeable pointeur stylo vert

SKU: 32001676

1 Avis

date ajoutée: 11/18/2018

par: Sergio Cano Sanchez

This is the third laser pointer I bought here.Well,I bought a laser pen like this two years ago.It still works fine,very durable.I trust the seller's products and service.

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Couleur	La fréquence	Longueur d'onde
violet	668 - 789 THz	380-450nm
bleu	631 - 668 THz	450-475nm
cyan	606 - 630 THz	476-495nm
vert	526 - 606 THz	495-570nm
jaune	508 - 526 THz	570-590nm
Orange	484 - 508 THz	590-620nm
rouge	400 - 484 THz	620-750nm