1、Made of premium and environmentally friendly material, safe and sturdy to use. 2、Can be used to test the skin moisture, skin oil and skin type. 3、LCD display shows the percentage of moisture and oil content simultaneously. 4、You just need press the "SCAN" button and wait for the result, easy to operate. 5、Suitable for home, traveling, beauty salon and professional skin hospital. The tester is a high precision skin moisture oil content analyzer which adopted the latest bioelectrical impedance analysis technology, it can guide you in having a professional skin nursing without any injuries. Features: Made of premium and environmentally friendly material, safe and sturdy to use. Can be used to test the skin moisture, skin oil and skin type. LCD display shows the percentage of moisture and oil content simultaneously. You just need press the "SCAN" button and wait for the result, easy to operate. Suitable for home, traveling, beauty salon and professional skin hospital. Speciifcation: Item Type: Skin Analyzer Material: ABS Optional Colors: Pink, White(English Version) Measurement time: 3 seconds Battery: 1 x CR2032(Not Included) Weight: Approx.131-129g Package list: 1 x Skin Analyzer 1 x English Manual Instructions: 1. Press "SCAN" once, turn on the backlight and "Bi" signal sound, then the data flashes on the LCD display. 2. After the LCD data is zeroed (this means that the dual LCD display shows 00.0%), we enter the test process. 3. Position the probe perpendicular to your skin and close to you skin(remember to press the probe as much as possible.) After approximately 3 seconds of "Bi" tone, the LCD will also display the percentage of moisture and oil content. 4. Press "SCAN" at anytime, it will enter the operating preparation process, and then you can retest your skin. 5. After 20 seconds of testing, the backlight will turn off, if there is no any operating for 40 seconds, the analyzer will automatically shut down.