1. No need to preheat, observe and use at any time; 2. Hand-held 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 light source and long service life; 5. There is no need to worry about the risk of damage of the wood lamp; 6. With charging function, USB/TYPE-C interface; 7. Built-in lithium battery, ultra-long endurance. [Note] 1. After the instrument is used, please put it in the instrument box and store it in a ventilated and dry place. 2. When there is dust on the lens surface, please gently brush it off with a soft brush or gently wipe it with lens paper. Do not wipe with hard paper or unclean objects, and avoid ethanol-based, amino- or acetone-based cleaners. Never immerse a medical magnifying glass in liquid. 3. Do not use in a high temperature, humidity, full of water vapor or direct sunlight environment. 4. Do not disassemble the medical magnifying glass without authorization. 5. Do not look directly at the light source, patients must close their eyes during facial skin examination. 6. Infants and minor patients should be used under adult supervision. [Scope of application] It is used to increase the operator's viewing angle and facilitate the observation of object details. [Product information] [Product Name]Woods lamp [Models]DW-B200 [Eyepiece range]Viewing range through equipment eyepiece greater than equal 20cm² [Magnification]greater than equal 1.5 times [Working distance]10cm±2cm [Lens diameter]φ65±2mm [Light source parameters]band:365nm±5nm;strength:1~10mW/cm² [Light source type]LED ring cold light source [Number of light sources]16 [Light source life]About 15000 hours [Usage] 1. First, turn on the power button on the handle of the medical magnifying glass and light the ring light. 2. Place a medic