A high-powered light emitting diode (LED) photobiology (phototherapy) device is disclosed in the accompanying specification. The contemplated photobiology (phototherapy) device may be used in the treatment of various aesthetic and medical or other conditions. The phototherapy device may include a number of select LEDs for emitting a desired range or ranges of wavelengths of high intensity light for use in treatment. Additionally, the phototherapy treatment includes one or more methods for providing a treatment appropriate to the condition desired to be treated. The phototherapy device provides for a variety of high power light settings, intensity levels, and selectable time intervals for providing treatment.