Using the measurement of the oscillometric blood pressure measurement, to accurately measure the blood pressure LCD digital display, readable, intelligent pressure Dual mode, each of the 90 memory assembly measures No operation in 1 minutes automatic shutdown Require 2 AAA batteries (not included) before using or consuming a product. In the event of any safety concerns or for any other information about a product please carefully read any instructions provided on the label or packaging and contact the manufacturer. Content on this site is not intended to substitute for advice given by medical practitioner, pharmacist, or other licensed health-care professional. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements about products are not intended to be used to diagnose, treat, cure, or prevent any disease or health condition. Product descriptionSmall, lightweight and easy to carry Easy to operate, switching button to start measuring Measure systolic, diastolic and pulse together, time easy to read LCD digital display High precision Package Contents: 1 x Blood pressure monitor 1 x English manual 1 x Case Note: 1. Before measuring,you should sit down and have a rest about 5 minute. 2. Put the Digital Wrist Blood Pressure the same high with your heart when measuring. 3. Arm bent 45 . 4. Hold the left hand joints.