15 Modes Dimmable: Our infrared therapy lamp has five brightness gears. Each level has stable brightness and pulse mode to meet different body pain infrared light treatment needs. According to your actual use, the all in one device can solve various needs. 2660nm and 850nm: 660nm infrared light can get into deep layers of the skin so that it stimulates cellular repair and increases circulation. 850nm NIR light can penetrate and generate thermal effects, promote blood circulation, enhance metabolism, and improve cell vitality.(850nm infrared light is invisible to the naked eye) 3Large Area Lighting: 4 head universal hose infrared light, which can freely adjust the luminous angle 360 degrees, with a wider lighting area. It is equipped with lifting brackets, which can freely adjust the height to meet the needs of different scenes. 4Safe Use at Home: This infrared light therapy lamp has the timing function of 530 minutes, and it can auto turn off when time is up. No need to worry overexposure when fall asleep, safely use it at home. 5Effective Relieve Pain: Red therapy light lamp help to take your neck pain, soulder pain,muscle soreness away. You can use this lamp before going to bed for a better sleep.