Batería y cargador puntero láser azul visible BQ1 enfoque ajustable 450 nm EE. UU.

Wave Length： 450nm. Battery Direction： The Battery "+" Is Toward End of The Laser Pointer. 1 Blue Laser Pointer. Flare Forms： Plaque-Forming - Circle. Laser Color： Blue. Focus Mode： Adjustable Focus.

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