For the laser show system there is an important part :laser module.Some people also called it “laser diode”.But they are different.look this diode picture:
![](https://goodlasers.com/wp-content/uploads/2023/02/laser-diode.jpg)
For our laser we usually use the wavelength is red color 638nm, green color 520nm, blue color 445nm.They have different power.
Each color can be a sigle laser module : red lase module, green laser module, blue laser module.
Consider the laser case size ,weight,combined l, more convenient for customers , desigh the 3 in 1 laser module:RGB
![](https://goodlasers.com/wp-content/uploads/2023/02/laser-module-big.jpg)
How the laser module work?
![What is laser module](https://goodlasers.com/wp-content/cache/flying-press/Y9ApS2ZYPrE-hqdefault.jpg)