Feature: Easy operation. Does not require a darkroom. 2 X magnifying glass allows for complete illumination and observation of the clients face. Internal exhaust fan allows for continuous use. It utilizes advance black-light technology to help identify various skin conditions in vivid florescent colors Black-light technology is generally safe for skin and eyes when used properly. Parameter: Voltage :220V/110V Power :55W Lights :4 large lights (10 watts each) and 2 small ones (6 watts each) Wlength :365nm Material of the box :ABS Material of view window :glass Material of mirror :glass View window 5 times Magnification Mirror 2*Magnification Lights lifetime Rated 3000-5000hrs Machine Size ( L*W*H) 33*24*49CM Color Chart: BLUISH WHITE : NORMAL SKIN WHITE SPOTS : THICK OR DEAD SKIN DARK PURPLE : SENSITIVE, THIN AND DEHYDARTED SKIN BROWN SPOTS : PIGMENTATION PROBLEM LIGHT PURPLE : DRY SKIN ORANGE : OILY SKIN LIGHT YELLOW : ACNE