Combination of 3 beneficial wavelengths for pain relief or skin repair Our red light therapy bulb combines 3 specific wavelengths of 630nm, 660nm and 850nm, which have been proven to be particularly beneficial to the human body. This treatment bulb uses 3 high-power LED chips, 2 chips emit 630 nm and 660 nm deep red light, and 1 chip emits 850 nm near-infrared light.The 3 wavelengths of 630nm, 660nm and 850nm are the perfect combination of phototherapy. Since the red light does not penetrate into the skin, it is suitable for surface treatments such as reducing wrinkles. The near-infrared rays penetrate deep into the skin and reach the pain point, which can relieve pain more effectively. It is very helpful for leg joint pain, back muscle pain, shoulder, finger, knee, foot, cervical spine pain. Easy to use and portable This infrared phototherapy lamp is easy to carry and comes with a built-in battery. We can use the power bank USB to charge. You don't need to buy any other accessories, you can use it after charging up and turning on the switch. Target pain in any part of your body and start treatment. It weighs only 0.45 KG, so you can use it not only at home, but also in travel hotels, and enjoy phototherapy anytime, anywhere. Well-made and durable This infrared bulb shell is made of 303 stainless steel, which is durable and very durable. There is no cooling fan, so there is no noise disturbing you when you enjoy phototherapy, and the life span exceeds 50,000 hours. This infrared pain therapy device is equipped with a 30-degree optical glass lens, which can increase the irradiance at a distance of 1 inch by 120mW/cm, 100% Satisfaction Guarantee When you encounter any problems with the use of this infrared light treatment for the face and neck, please feel free to contact us, if you are not satisfied with the red light, we can provide you with some necessary techniques Support treatment equipment or free return service within 15 days PRODUCT DECLARATION This product cannot be used as a direct substitute for any medicine, and it is not used to diagnose, alleviate, treat, cure or prevent any disease.