5 PCS Small Laser Pointer Pen 650nm Red Light Visible Beam 1mW For conference presentation

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Instruction 650nm Red Ray Red Laser Pointer Pen Utilization of the latest crystal technology and optics creates this high quality;pen-sized laser pointer . It emits an intense,brilliant laser beam,Use your Laser Pointer to aim at any desired targets on projection screens,video monitors,presentation . Press the push button to turn it on,release the push button to shut if off aut...