Industrial 532nm 100mw Green Dot Ray Laser Diode Module 12V w TTL. 1pc Industrial 532nm 100mw Green Dot Ray Laser Diode Module 12V w TTL 0-20KHZ. Modulation: TTL level (0 ~ 20K). Laser Shape:Dot. Laser Size: 55 (L) X30 (W) X30 (H).
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