1Through the method of physics to relive your pain, UV free makes it safe to use. 2It has a very obvious antiinflammatory and analgesic function, which can accelerate blood circulation, reduce blood viscosity, regulate blood lipids, promote damaged nerve regeneration, enhance the immune defense system function of phagocytosis of white blood cells in the body, and send out a light band of 630660nm. 3It has great penetrating depth physiotherapy for human body, and can penetrate the dermal mucosal tissue layer up to 2-5cm. 4The machine emits a lot of heat during use, which can reach a temperature of 30-45. 5You can through hot compress to relieve and improve soft tissue injury, muscle strain, ligament injury, bone pain, etc. 6Increase effects of light on mitochondrial catalase activity, enhance cell metabolism and protein synthesis, promote local blood circulation, and control the increase of infection. 7Promote blood circulation and use with red light to better achieve physiotherapy effect. 815, 30, 60minutes timing and different gear to choose, you can set the time according to your need.