) This product uses light instead of needles to stimulate traditional acupuncture points on horses. It is painless, noninvasive and safe. Having the wavelength of 660nm allows the light to penetrate the tissue approximately 4”, to increase oxygen and blood flow, promote healing, relax muscles and help with pain reduction. Comes with book and charts that illustrate points to be stimulated for numerous conditions. It also includes information for maintaining the mental and physical well being of your horse to improve performance and relieve pain and soreness in the horse’s most vulnerable stress sites. Endorsed by WPRA World Champion Barrel Racer Connie Combs.