Features: new and high quality No need to preheat, observe and use at-any-time. Hand-held operation, flexible observation position Observe the skin lesions, color and fluorescence reaction of psoriasis and other skin. 16 LED light sources with high brightness, uniform light source and long service life. There is no need to worry about the risk of damage of the wood lamp. Specifications: Material:Plastic Magnification: 1.5times Working distance:10cm2cm Lens diameter:652mm Light source parameters:band365nm5nmstrength1-10mW/cm Light source type:LED cold light source Number of light sources:16 Light source life:About 15000hours Packing size:Approx. 290x150x50mm/11.41x5.9x1.96inches Package Includes: 1 Set Skin Analyzer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.