Laser Module Red Cross hair Line Poin Dot Diode Focusable Lens 650nm 5mW 3V 5V. 6mm Poin (3V 5V ). 9mm Poin / Cross/Line. 5V adjustable laser head laser tube copper head 6MM OD laser diode red dot laser module wavelength: 650NM power: 5MW OD: 6MM.
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