Feature    This portable wood lamp uses a professional ultra violet lamp chip for testing,which emits modulated rays that penetrate into the middle dermis. The epidermal melanin and dermal collagen can emit blue fluorescence after absorbing a wavelength of ultraviolet light,which mainly depends on the condition of skin epidermis and dermis. The fluorescence produced varies with the health of the skin.Wood lamps can be used to examine the skin to get a detailed picture of skin conditions that are not visible to the naked eye. Through a glass lens,it is easy to identify the health of the skin according to the detailed picture of the skin condition and the problem condition.    How to use    1)Cleaning cover and lens:when cleaning, please ensure that the detergent used will not damage the glass and outer shell,to ensure the maximum luminosity output. 2)Before use,the skin cleaner is applied to clean the oil and dirt on the skin surface, which can clearly observe the dermal state of the skin to a large extent. 3)Hold the wood light and press the switch, the LED light source will light up,then check. 4)When using the protable wood lamp,it is most appropriate to keep the instrument at a distance of 5-6 CM from the skin surface. 5)Test through a magnifying glass in a dark room.    Specification    Product Material:ABS+PC Weight:200G Size:275*135*45MM Power Output:5 W Charging Port:5V-=1A Power supply: DC3.7V    Wood Lamp present skin Condtions    Blue white: Normal and healthy skin Bright fluorescent: Hydrated skin Purple fluorescent:Thin skin without enough moisture Light violet: Dehydrated skin Yellow or sometimes pink: Oily areas of the face and come done Brown: Pigmentation and dark spots White spots: Horniness layer of the skin and dead cells White fluorescence: Thick conium layer    Include    1* handheld host 1*charging cable 1*manual    Picture