How powerful are the lasers in the Skin Laser?

The Wellay Personal Skin Laser has 12 lasers arranged in 3 groups of 4. In each group there is a 670nm red laser, a 780nm infrared laser, an 830nm infrared laser and a 910nm infrared laser. Each group of lasers has an output power of 20mW which combine to make a total power of 60mW for the Wellay Personal Skin Laser.