Features:<br> Skin Detector: Used to measure skin moisture, skin oil and skin elasticity, allowing you to monitor skin moisture.?<br> Metal Probe: Adopts metal probe, averts the influence of residual liquids of skin care products on detection.<br> Memory Function: Records the last ten test results, you can press the power-on button for 3s to check the historical data.<br> Easy to Use: Just turn skin tester on, put the probe on your skin and see the skin condition with real data.<br> Convenient Carrying: Cute and portable with a compact pen design, can be put in handbag easily.<br> Specifications:<br> Material: Plastics Body + Metal Probe<br> Color: White<br> Voltage: 3V<br> Memory Function: 10 Test Results<br> Powers Supply: 2 * AAA Batterys (Not Included)<br> Item Size: 140 * 35 * 27mm / 5.51 * 1.38 * 1.06in<br> Item Weight: 47g / 1.66ounces<br> Package Size: 140 * 138 * 70mm / 5.51 * 5.43 * 2.75in<br> Package Weight: 245g / 8.64ounces<br> Package List:<br> 1 * Skin Tester<br> 1 * Base<br> 1 * User Manual