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Jd851 green beam laser pointers pen 5mw 532nm black
jd851 green beam laser pointers pen 5mw 532nm black
Jd851 green beam laser pointers pen 5mw 532nm black
Functionfor outdoor sporting for office and teaching for astronomers wave length range532nm wave length532nm shapeflashlight shaped operation voltagev37 whats in the boxlaser pointer working temperaturec15 35 materialaluminum alloy power16340cr123a

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