PACKING LIST:1 x Wrist Blood Pressure Monitor(without battery)1 x usersmanual FEATURES:1.Size: 8*6*4cm2.Commodity Quality Certification:CE FDA3.Battery usage: Use 2 x 1.5V AAA battery4.Small delicate design 5.Clear LCD digital display 6.It can store 99 groups of measuring results of 2 people and display the average reading of measurement results of the latest three times 7.Automatic compression and decompression 8.Blood pressure classification function provides convenience for users to judge whether their blood pressure value is normal or not 9.2 display units: kPa, mmHg 10.The product will automatically go into sleep mode in 1 minute after measurement11.Medical clinical level settingsCORRECT MEASUREMENT METHODS:1)Sit in a chair as shown in the picture , don't lean forward or bend your body .2)Before measurement, take a deep breath three or four times, recover to the normal breath, relax your shoulders and arms. Make sure your body relaxed.3)During measurement, the middle of the wrist cuff should be the same height with the heart, The body and your wrist can not move, We recommend that you put a soft cushion under the elbow.