FacialDeviceSuppliers Features of Portable Skin Moisture Testing Pen 1. Durable and safe to use. 2. Portable Skin Moisture Testing Pen can be used to test the the skin moisture, oil content, and also can be used to detect the fluorescer. 3. With different cute facial expression icons, keeps you aware of your current skin condition. 4. Highly sensitive probe offers more accurate result. 5. Stylish and portable with pen-type design, good for home, traveling, beauty salon and professional skin hospital. Specification Product Name:OLEN Portable Skin Moisture Testing Pen Material:ABS Plastic Color:White, Purple Function:Accurate moist oil analyzr, fluorescer detect Dimension:95*35*25mm MOQ:10pcs Rated Voltage:3.7V Battery Capacity:300mAh Operating Temperature:5鈩儈40鈩?/p Warranty:1 Year / 12 Months Application Adopts with the latest BIA technology, which can test the moisture and oil accurately and quickly. Essential for daily skin care routine. Choose the suitable skin care products according to the accurate test result of the moist and oil content. Displayed with different facial expression icons to clearly identify the skin condition. Small and accurate, perfect for carrying out when travelling and also home use.FacialDeviceSuppliers website:http://www.nbysolen-tech.com/facial-device/