Your average laser pointer is red and low powered. Now you can own super bright red, green and blue lasers with true 5mW outputs (some retailers claim 5mw when its actually the peak output). Now you be able to experience the differences of the 3 colours. See the clear beam of the green laser at night or mesmerizing glow of the blue laser or pure simplicity of the red. Each laser comes with its own case and requires 2 x AAA batteries