An improved laser device that can simultaneously provide low level laser therapy treatments to the sympathetic and parasympathetic nervous systems. The device enables laser light of different colors, pulse frequencies, beam shapes and spot sizes to be applied externally to a patient's body. The device includes multiple laser sources. In the preferred embodiment, and hand-held wand emits two separate laser beams, one laser beam producing a pulsed line of red laser light and the other producing a pulsed line of green laser light.