Excellent material Made of high quality and environmentally friendly material durable safe and solid to use High technology True bio sensing technology is adopted to measure skin moisture more accurately Smart and practical function Perfect tool for skin moisture meter then you can know your skin condition at any time Handy Size Stylish and portable in a compact pen design good for home travel beauty salon and professional skin hospital Easy operation Just open the lid and press the tester button for instant measurement two pieces of AAA batteries for convenient power supply not included Large LCD display Design with backlight LCD display showing the result shortly after testing precise data can be read then action can be taken to care for the facial skin