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2 in 1 5mw 532nm astronomy powerful green laser pointer 2xaaa
2 in 1 5mw 532nm astronomy powerful green laser pointer 2xaaa
2 in 1 5mw 532nm astronomy powerful green laser pointer 2xaaa
Functionfor astronomers output5mw wave length range532nm wave length532nm shapepen shaped operation voltagev30v working temperaturec0c 40c materialcopper

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