Basically all the laser components, which can produce laser beams, but it's not an Integral laser tool, such as laser pointer, laser dazzlers, can be named to laser modules. The laser modules can be small size or big. Lots of laser modules are working as the key parts of high technology machines, they're Widely used in life and industry. You just don't know they exist there. The laser modules are in Hair Removal Machines,rifle scopes.
Laser modules from 405nm - 1064nm, 1mW - 2000mW.
violet, blue violet, blue, pure blue, green, orange, red, invisible, dark
by Output power:
1mW, 5mW, 10mW, 100mW, 200mW, 500mW, 1000mW, 2000mW, 1W, 2W