Features： 1、High Energy And Durable Light Source: It can emit high strength and narrow spectrum blue light, and spectral range of blue light overlaps with absorption spectral range of bilirubin. 2、Good Effect: Blue light 460nm wavelength is absorbed by skin tissue at a higher ratio, making it particularly effective. 3、Relieve Discomfort: It has a strong ability to penetrate into tissues, joints and organs. It is an ideal choice for enhancing muscle recovery and reducing joint pain and inflammation. 4、Wide Range Of Applications: It is very suitable for office workers who are stressed, late shifts, jet lag, insomnia, bad mood and lack of relax activities. 5、Main Function: Led blue light mainly remove the root causing substances of acne through blue light irradiation, thereby eliminating inflammation and infection, thereby eliminating acne. Specification： Item Type: Blue Light Therapy Lamp Voltage: 110-240V Main Functions: Led blue light acne is mainly use blue light irradiation to improve inflammation and infection, so as to achieve the purpose of eliminating acne Mechanism of Action: During metabolism of acne, a substance called porphyrin is produced, which can only attract blue light of a specific wavelength and combine with it, eventually being removed. Package List： 1 x Blue Light 1 x Eye Patch 1 x Sling 1 x Manual 1 x Power Cord