Modulo diodo laser messa a fuoco regolabile punto infrarossi 830nm 20mW driver 3-5V IR LED

Focusable Dot 830nm 20mW IR Laser Diode Module. Notice: 830nm IR lasers can't seen the light by naked eyes. 1x 830nm 20mw Dot laser diode module. Diode Power: 20mW. Laser shape: Dot (From Rectangular to Oval).

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