1、BIOSENSING TECHNOLOGY: The use of real biosensing technology, not a simple measurement of resistance concept products, high accuracy of skin moisture content. 2、SMALL AND FASHIONABLE: Exquisite, small and fashionable, easy to carry, can be put in the bag, anytime, anywhere to measure skin moisture. 4、SKIN TESTER: Facial skin tester can be used to test the skin moisture, skin oil and skin type, and also can be used to detect the fluorescer. 5、WIDE USAGE: Stylish and portable with compact pen type design, good for home, traveling, beauty salon and professional skin hospital. Stylish and portable in compact pen design. 3、LED DISPLAY: Simple operation, just need to open the test cover, press the weight key to measure, LED display will display the measured value.