10pcs 532nm 30mW Green Dot Beam 3-5V Laser Diode Module 12mm×30mm

10pcs 532nm 30mW Green Focus Dot Laser Diode Module. 10x532nm 30mw Laser Dot Diode Module. Size :12x 30mm. Laser Shape :Dot ( Fixed focus). Output Power :30mw.

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