Take Blood Pressure At Home: SCIAN automatic blood pressure machine upper arm is equipped with precise algorithms and newly developed chips averages lastest 3 readings for a more precise measurement.The advanced measuring techniques give your clinically accurate systolic and diastolic pressures, pulse, heartbeat readings. Large LCD Display, Easy to Read & Use: This blood pressure monitor equipped a 3.54" large LCD display screen with bold type numbers and Increase the height of the monitor for better perspective to allows the elders read the results easily & clearer,Fully Automatic Blood Pressure Machine can One-button to measure your blood pressure and heart rate in 30 second. Dual Power Supply Options: You can use 4*AAA batteries(Not included) or Micro-USB Cable with adapyer/power bank/laptop to supply power. this portable blood pressure monitor can be used at home or in the office or on the go. Auto power off after 3 minutes of no operation to avoid battery consumption,Err