watt Copper Head Adjustable Lasers Dot Diode Module Laser diodes 650nm 6mm 3V

Laser wavelength: 650nm (Red). Spot mode: dot facula, continuous output. 1pc or 3pcs or 5pcs or 10pcs Line Laser Module (as your choose). laser test tools. Shell Material: Brass. Power lead length: 75mm.

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