Strong Beam Light Laser 450nm Blue Laser Pointer Pen Visible Light with 5 caps

450nm 1MW Blue Laser Pointer Pen Visible Beam Light Laser Light w/ 5 Laser Head. -- Wavelength: 450nm. 2️⃣ This laser pointer uses the latest optics and microelectronics technology. 3️⃣ This laser pointer can be used for demonstrations, teaching instructions, etc., saving electricity and energy.

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