necessity skin tester: 1 scientific, objective and comprehensive analysis of the customer's skin condition; 2 detects the naked eye can not see the problem;. Precise positioning, quantitative and qualitative analysis to identify potential skin problems. Given reasonable care programs and professional advice; 3 convincing customers to increase confidence and sales; 4 software expertise to solve the problem of cosmetology instructor training, etc.; 5 members have a special management area, improve management and efficiency;   Hardware parameters: Imaging Systems: South Korea imported CMOS chip; Hardware: 500 million pixels; Maximum resolution: 2560 * 1920; Magnification: 50 times; Operating temperature :10-40 degrees Celsius; Humidity: 80% or less; Power supply: USB 5V; Exterior Material: Body: ABS; dust cover and base: high permeability Acrylic   Software parameters: Automatic analysis items: water, Pigment, Sensitive, 3D, complexion,Inflammation Observation items: allergies, dark spots, redness, etc.; Professional membership management module Prompted instructions and comprehensive proposal; A professional image contrast module; Report is automatically saved and can be printed report