Item Type: Skin Water Oil Analyzer Material: ABS Color: White Battery type: Lithium Ion (shipped with built in battery) Battery Capacity: 150 mah Package List 1 x Skin Water Oil Analyzer 1 x USB Cable 1 x Instruction Book 1Smart Analyse: It uses an smart sensor that can sense the skin moisture and oil standard and analyze its condition in just 3 seconds. 2Intelligent Chip: With enhancing power to 60%, it saves time while providing accurate measurement of the skin moisture and oil standard . 33 Color Indicator Light: It clearly shows the condition of your skin. Green signifies a healthy balance of moisture and oil, while red indicates dryness. Yellow indicates saturation of moisture and oil. 4Nickel Plated: This product of testing probe is made of nickel plated material that is non invasive and gentle on the skin, ensuring precise results without harming your skin. 5Suitable Scene: You can easily customize your skincare by measuring your skin moisture and oil standard. It is a necessary tool for anyone looking to keep their skin healthy and glowing.