Description: The light tube of the analyzer can emit long-wave ultraviolet rays, which can penetrate the dermis of the skin. When the paint and skin collage absorb light, they emit blue fluorescence. The color of the light varies depending on the health of the skin. It can identify dry, greasy or aging skin conditions that satisfy ultraviolet rays, so doctors can easily analyze your skin. Ultraviolet rays are safe and will not harm our skin. With a lampshade to protect the machine from external light interference. Easy to use: This is a diagnostic tool in dermatology, used to observe the subsequent fluorescence of the skin. Specification: color: White Light blue: normal and healthy skin Brown fluorescence: pigmentation and dark spots Orange point: oily skin Purple and deep purple: soft skin, dry skin, dehydrated skin White fluorescence: thick layers and decellularization of the skin Light yellow: oily acne skin Size:26x20x5cm 10.24x7.87x1.97 inch Package Includes: 1 x Detector 1 x Hood 1 x Manual