1. No need to preheat, observe and use at any time; 2. Hand- operation, flexible observation position; 3. Observe the skin lesions, color and fluorescence reaction of vitiligo, psoriasis, acne and other skin; 4. 16 LED light sources with high brightness, uniform and long service life; 5. There is no need to worry about the risk of damage of the wood lamp [Product Name]Woods lamp [Models]-A100 [Eyepiece range]Viewing range through equipment eyepiece equal 20cm2 [Magnification] equal 1.5 times [Working distance]10cm2cm [Lens diameter]652mm [ parameters]band:365nm5nm;strength:1~10mW/cm [ type]LED ring cold [Number of light sources]16 [ life]About 15000 hours type:A: In-line Colour:White Material:plastic Package Contents: 1 x detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.