Green Line 520nm 1W Focusable 1000mW Laser Engraving Module 12v w/TTL Driver

520nm 1W Focausable Dot Laser Diode Module 12V. 1x 520nm 1W Laser Diode Module with Fan. Output power: 1000mw. Working Mode: CW (Continuous) TTL. Laser Curtain 2. Laser Demonstration 4. Spectral Analysis 5.

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