Topical Treatment A mini version of Honpal heat therapy with a treatment area of 7cm 10%, designed to treat small, scattered areas and protect healthy skin from deterioration.Safe and durable With accurate 3111nm UV wavelength LED lamp, high stability and long service life.Fast and effectiveHigh-intensity output UV light source for visible treatment effect and electronic data timer to control treatment time for high security.Compact and portable Mini version of UV therapy device for home use, more portable than the old version, easy to put in your pocket and take with you when you travel.[Easy Operation] Please read the manual carefully before use, test properly, and always wear safety glasses.Ultraviolet light therapy has its origins in the 1920s. With the progress of science and technology, the technology of artificial light sources has also developed rapidly. Among these, UVA and UVB therapy have become very popular and effective options.SpecificationPower: 2WType-C input: DC 5V 2ABattery capacity: 450 MALED parameters UVA 320-400 NM (peak 3683 NM)UVB 280-320NM (peak 3111NM) Working distance: 3 CM0.5 CM Irradiated area:7 c10% Product size: 13.5*3*1.5 CM Product weight:31.3 G Material: ABS -MaterialUsage: HandheldCautionThis LED UVB lamp emits ultraviolet radiation, please do not stare at the lampWear UV protection glasses.Clean the irradiated area and remove make-up before application.It is necessary to expose the area to be irradiated and cover normal skin with a white cloth or other method.If necessary, apply a greasing ointment to the skin of the irradiated area.