The HG500 is a medical grade, half body red light therapy device designed to provide you with affordable, effective light therapy in the comfort of your home. The HG500 emits red and near infrared light at 660 and 850 nanometers respectively, which are the two most proven and studied wavelengths of light for affecting our biology. This versatile, half body device can be useful for speeding up recovery time, reducing wrinkles, enhancing energy and mood, relieving joint pain and much more.