Adopting Bioelectric Impedance Analysis technology to analyze your skin condition accurately. Can test the skin moisture, skin oil and elasticity, as well as detecting the fluorescer. Lets you know how your skin condition is, gives suggestion to you on choosing skin care products. Designed with 15 groups memory function. Digital display shows your skin condition in real figures. Compact size for convenient carry. [Accurate Skin Tester] : This skin tester adopts Bioelectric Impedance Analysis (BIA) technology, can test the skin moisture, skin oil and elasticity accurately. With 15 groups memory function, convenient for you to consult the value that you have test the last time. [Telescopic Probe & Easy To Read Display] : Highly sensitive probe provides more precision of the test result. A digital display makes it easy to read your skin condition. [Fluorescent Detection Lamp] : Help you stay away from the danger of fluorescence. Turn on the detection lamp, shine the light to be detected items; If the item shows blue light, which means this item has fluorescer. [Compact & Portable] : Built-in 300mAh supports long time working. Small size and lightweight, easy to carry around and use at anywhere anytime, perfect for casual, work, travel etc. Specification: Item Type: Skin Tester Built-in Battery: 3.7V 300mAh Color: White Material: Plastic + Electronic components Product Size: 125x34x25mm Usage: In order to get more accurate measurement, please test your non-sweat, non-hair and no cosmetic skin under room temperate condition. Package Includes: 1 x Skin Tester 1 x USB Cable 1 x User Manual