Skin Moisture Tester, Skin Analyzer, Oil Monitor Face Skin Hydration Analyzer with LCD Digital Screen for Beauty Salon and House (White) Elegant and portable with compact type design, good for home, travel, beauty salon and professional skin hospital. Proffessional and high technology, the highly sensitive probe offers more accuracy of test result. Just touch the skin with this tester and it will show you the result. It can be used to test skin moisture, skin oil and skin type, depending on the value of skin moisture shortage, help you be aware of the current skin condition and make Improve your skin. Specification: Type: Skin Tester Material: ABS + PC Color: Pink, White Size: 122 * 34 * 25 mm / 4.8 * 1.3 * 0.98 inch Battery: 2 AAA batteries (not included) Package weight: 150 g The reference value of skin moisture: (the normal value of moisture should be greater than 32, otherwise the tester will emit to recall hydration) Front: normal value is 35% -60% Eyes: normal value is 50% -60% Face: normal value is 35% -60% Main: normal value is 40% -65% The reference value of the skin oil: Wet skin: 16% -22% Normal skin: 23% -33% Oily skin: 34% -63% Use: 1. Press the power button, it will show green light, making the probe touch the skin measured, and the display will start to roll, the measurement results being shown when you hear the noise. 2.After completion of the test, the light will be switched off in 10s and will turn off automatically 4 minutes or you can press the power button for 3 seconds to turn it off. 3.Use of Fluorescent Detection: Press the "0" key for 3 seconds. Tail Of the machine will light, and expose the skin under the light and the means that the object containing fluorescent. Content: 1 × Skin Tester Note: 1. represents a severe shortage of moisture, and green represents the balance between water and oil. 2.It shows "Err", which means that the probe is not in close with the skin, please put the probe surface of the skin or clean the probe.