Blue Laser Pointer Pen 450NM Adjustable Visible Beam Dot Light Torch & Battery

Purple+ Green + Red Laser Pointer Penlight Torch 1MW Cat Toy Dot Beam Light 100m. -- 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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