Various kinds of laser pointer provider. laser pointer green laser pointer or laser pen, also known as the star pen, the use of low-power visible laser allows users in the teaching, demonstration maximize the benefits of body language, so teaching, lectures and more vivid, more perfect. [Details]
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Various kinds of laser pointer provider. laser pointer green laser pointer or laser pen, also known as the star pen, the use of low-power visible laser allows users in the teaching, demonstration maximize the benefits of body language, so teaching, lectures and more vivid, more perfect. [