1. Skin moisture detector. This detector can always pay attention to skin health problems. It can detect moisture, oil and elasticity problems, and then judge the skin age. 2. Your skin specialist. Deeply understand your skin condition to choose skin care products suitable . 3. Create moisturizing skin. Moisturizing effect of mask is clear, and skin care is no longer based on feeling. 4. Providing individuals with a simpler, more comfortable, more fashionable and more efficient beauty care experience. Product name: Skin tester Battery specification: DC3V button CR2032 Rated power: 0.3W Product size: L123x W 27 x H 17mm Product weight: 40g Color:White Material:plastic Package Contents: 1 * Skin tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.