Features: this professional skin care woods lamp has a 3x diopter magnifying lens and uses uv light to diagnose skin conditions. It is a diagnostic tool used in dermatology to observe any subsequent fluoresce of the skin. Wave length is approx. 365 Nanometers. Wood lamp is to help identify clearly the qualities, problems and the unusual conditions of the skin, in order to provide proper treatments, examine different skin, types or skin particles and conditions, detects imperfections in the skin normally invisible to the eye. Allows esthetician to conduct treatment plan for proper face. 4 Fluorescent bulbs, magnifier lens and 1 face drape for examination. Specifications: item name: skin care woods lamp power source: 100v-120v/60hz 220v-240v/50hz rated input power: 54w wave length is approx. 365 Nanometers colors Features: light blue: normal healthy skin brown fluorescent: pigmentation and dark spots orange points: oily skin purple and dark purple: soft skin, dehydrated skin, skin lacks of moisture white fluorescent: thick layer of skin and deak cells light yellow: oily acne skin how to use 1. After cleansing skin, cover client's eyes with cotton. 2Secure cover shade to wood lamp. 3. Completely cover client's face with cover shade. The wood lamp should be parallel to client's face with distance of 15-20cm. 4. Identify different skin characteristics by appearances of different colors under the ultraviolet ray. Package include: 1 * wood lamp skin analyzer 1 * plastic protective cover 1 * face drape .