Feature:<br />Can test Oil and Moisture at the same time<br />Highly sensitive probe<br />Keeps you aware of your current skin condition<br />Stylish and portable with compact pen-type design<br />Good for home・ traveling・ beauty salon and professional skin hospital<br />One touch operation・ easy to use<br />Material: ABS<br />Color: Pink<br />Size: 125 * 34 * 22mm<br />Power supply: 2 AAA batteries (not included)<br />Stalls: 1 file<br />Operating temperature: 5-40     ・ humidity   about 70%<br />Measuring range: moisture :0 ~ 99.9%; oil: 0 ~ 99.99%<br />Key: Cleared keys・ power key<br />Instruction manual:<br />1・ red = severe water shortage<br />2・ green = moisture balance<br />3・ orange = water and oil saturation<br />Instructions:<br />1. Select no sweat・ No body hair・ no makeup skin test;<br />2. Press the power switch・ the power display flashes 00.0%・ after four seconds it will prompt twice"bit" ・ 00.0% stopped blinking<br />3. In that time・ The test probe can contact with the skin・ the test probe should perpendicular to the test skin・ After the  prompt  "Bit" ・ you can read the data<br />4. When you need continuous testing・ Press the zero key.<br />5. Long press the power button to enter the memory mode・ displays the last test・ the test results can remember three times<br />Package included      1 x Digital Moisture Monitor For Skin