Jeystar Digital Precision Moisture Lcd Facial Face Tester Monitor for Skin Care Personal Beauty Adviser: A skin analyzer helps you distinguish the moisturizing effect of your skin care products, asks your attentions to skin hydration and maintain a young and healthy looking. Accurate Data Provided: Check the accurate data before you use skin care products and after it, you will find difference. And you will get different data if you use different skin care products. Portable to Take Anywhere: Its designed like a pen, light and easy to transportable, you can take it in your handbag anytime. Size: 6.69*1.18*0.95inch. Weight is only 6.15OZ. Check Skin Status Freely: With it, you can check if your skin is too dry or too oil anytime anywhere as you want. And no need to get your skin status via complicated skin testing machine. This skin care device can be used for home, beauty salon, Spa, even for professional skin hospital. Easy to Operate: . Take off the protective cover. . Put the probe on your skin and you will see skin moisture and oil data. . It will show 2 display on LCD, first display is Moisture data, the second data is Oil data. You can take care of your skin according to the data.