https://youtu.be/hT4Fo5eAe0s Advantages of CN-308B Excimer Light 1. High power uv led light source, high energy and harmless2. Time and Dose working modes available;3. Rechargeable lithium-ion battery;4. Targeted, treatment handle and large irradiation area; 5. Long lifetime of light sours, more than 3000 hours. Features a. Uses special ultraviolet LED as light source, high stability and long lifetime; b. Small size and light weight, easy to carry; c. Streamlined design, small and exquisite, suitable for hand-held operation, more flexible to irradiate different lesion parts; d. Good targeting, simple operation, and suitable for home use; e. Built-in MED test function, which is convenient for users to test by themselves; f. LCD display, dose and time working modes are available, convenient for users to operate; g. The user-friendly voice prompt function is more convenient for users to use. h. Powered by a rechargeable lithium-ion battery pack, helping us get rid of power cord, making operation more convenient, longer battery life, more energy-saving. Indications: Vitiligo, Psoriasis, Eczema, Pityriasis Parameter ...