Laser Pointers Set of 3, Red, Green & Violet.

<p><strong>GSC International LSP-SET-3 </strong>Laser Pointers Set of 3&nbsp;&nbsp;</p> <p>Understanding and measuring wavelengths is an important subject in any physics class.</p> <p>The set includes three laser pointers, and each has a different wavelength.&nbsp; The violet laser light has a wavelength of about 445 nanometers. The green laser light has a wavelength of about 532 nanometers. And the&nbsp;red laser light has a longer wavelength of about 650 nanometers. The Laser Pointer Set is a Class III, high-quality product at an affordable price. The batteries are included.</p> <p><em><span>PRODUCT WARNINGS</span></em></p> <p><strong>WARNING: </strong> This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to <a href="https://www.P65Warnings.ca.gov">www.P65Warnings.ca.gov</a>.</p> <p>Our products are <strong>not toys</strong>. Use in a laboratory or educational setting only. Not for children 15 and under. Warning - avoid contacting the eyes with the laser light.</p>

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