1??660nm Wavelength: Crimson 660nm is the most suitable wavelength, simulating the red wavelength of the sun, allowing you to bask in the sun at home, carry out simple training, and enjoy bright illumination anytime, anywhere. 2??850nm Infrared: Infrared 850nm looks dark but works fine, it penetrates deeper into the skin, increasing the penetration of light through the skin to the sore point, relieving pain more effectively, and providing essential energy for cells to renew nutrients and remove waste. 3??Promote Blood Circulation: Beauty, promote blood circulation, can repair facial whiten skin, relieve shoulder, waist, abdominal scar pain, promote muscle healing and wound healing, improve sleep blood circulation, help deep sleep, reduce anxiety. 4??High Light Concentration: The high light concentration reflector can significantly improve the efficiency of the whole lamp, and the light concentration performance is superior. The luminous flux density value at the same distance is more than double that of the same type of products. 5??Powerful: Powerful, helps with muscle soreness, boosts energy, improves athletic performance, helps with muscle development, enhances strength, and can be used in hospitals, beauty salons, nursing homes, gyms, etc.