Understanding and measuring wavelengths is crucial in any physics class. This set includes three laser pointers, each with a different wavelength. The violet laser light has a wavelength of about 445 nanometers, the green laser light has a wavelength of about 532 nanometers, and the red laser light has a longer wavelength of about 650 nanometers. These Class 3B 8.5mW laser pointers are high-quality products offered at an affordable price. Batteries are included for immediate use.
 
Features:
 
Three Different Wavelengths: Includes violet (445nm), green (532nm), and red (650nm) laser pointers.
Class 3B 8.5mW: Safe and suitable for classroom use.
Batteries Included: Ready for immediate use.
Affordable Price: High-quality product at a budget-friendly price.