Method of use:1. In order to get accurate measurement results， in room temperature conditions， please select no sweat， no hair， no makeup tests.2. Remove the tester cranium;3. Press the power switch start flashing "00.0%";4. "Drops" two sound after four three seconds "00.0%" stop flashing at the same time;5. Test probe can be in contact with skin， at this time the test probe perpendicular to the measured parts， press (remember to put the test probe into the shell pressing) after hearing the voice to "drop" sound can be added to read data;6. Consecutive tests， please press the "0" the reset button. Test method with step 4， 5;7. With finish please use soft cloth with alcohol or thin cotton paper wipe test probes， and cover the cranium.Parameters:1.Operating Environment: Temperature (5~40°C); Relative Humidity ( <70%).2.Moisture range: 0~99.9%3.High accuracy 4.Highly sensitive probe5.Battery: 2 x AAA batteries (not included)Color: PinkPackage includes:1 x Digital Moisture Monitor For Skin