Green Laser Pointer
The color green is the most perceptible color to the human eye. This makes the green laser perfect for applications where the beam must be observed, such as when demonstrating lenses, prisms or mirrors, or in long distance applications.
Output power: <5mW, Wavelength: 532nm, Class IIIa.
Comes with instructions and batteries (2 AAA) in a nice reusable gift box.