Feature: 1. Adopts biological resistance technology, can accurately detect skin health value, you can know more about skin condition. 2. The inductive probe senses skin conditions, can monitor whitening degree, moisture, oil content and elasticity of skin. 3. Test the detailed data of your skin, so that you can choose suitable skin care products according to skin quality. 4. Detection rate is fast and the detection data is accurate, can help to detect the effect of skin care products, bring you convenience. 5. Light weight and in small size, you can test skin condition at anytime anywhere. Specification: Condition: 100% Brand New Item Type: Skin Tester Model: M-6602 Material: ABS Battery Type: 1 x DC3V Button Battery CR2032(Not Included) Rated Power: 0.3W Size: Approx. 123 x 27 x 17mm / 4.8 x 1.1 x 0.7in Weight: Approx. 40g / 1.4oz Test: Whiteness, moisture, oil content and elasticity Package List: 1 x Skin Tester1 x Manual Note: 1. Please check if there is any obvious damage before using this product. If it is damaged, please do not use it.2. Please store it in a location that is out of reach of children.3. The strength of the pressing may affect the inspection data. When using the detection window, it is better to gently fit the skin completely.4. Keep it for 3 seconds without shaking during the test.