Fangrui Product Details Accurate Blood Pressure Monitor: Each Digital Bp Cuff Kit Is Equipped With Advanced Measurement Technology That Provides Reliable Readings. The Accuracy Ranges Are ±3 Mmhg / ±0.4 Kpa For Blood Pressure And ± For Pulse Rate. Advanced Measuring Techniques Deliver Clinically Accurate Systolic And Diastolic Pressure, Pulse, And Heartbeat Readings. This Blood Pressure Monitor Has Undergone Clinical Testing And Verification To Ensure Measurement Accuracy. Pregnancy Care: Monitoring Blood Pressure At Home May Help Some Women Avoid Serious Complications During Pregnancy. High Blood Pressure Is A Major Factor In Preeclampsia, Which Can Affect Women Late In Pregnancy And In The Early Weeks After Birth. Having A Blood Pressure Monitor At Home Can Assist In Early Detection And Regular Monitoring. Two User Mode: Features A User Switch Button To Easily Record Results For Two Users. Each User Can Store Up To 99 Sets Of Measurements With Date And Time. Track Your Health And Your Partner's With The Same Device And Monitor Readings Anytime. High Memory Capacity Allows For Long-term Tracking, Which Can Help Support Medication Management Under Medical Supervision. Dual Power Options: Powered By 4 X Aa Batteries (not Included) Or A Usb Cable (included). Large Display: The Lcd Screen Is Designed For Ease Of Use With Clear, Large Digits For Comfortable Reading In Any Light. No Need For Glasses To View Results. Simple One-button Operation-just Wrap The Cuff Around The Upper Arm To Get Readings. Displays Systolic Pressure, Diastolic Pressure, Pulse Rate, Date, Time, And User Id. Adjustable Soft Arm Cuff: The Comfortable, Soft Cuff Fits Snugly On The Upper Arm With An Adjustable Size Range Of 22-32 Cm. Easy To Apply And Suitable For Most Arm Sizes, Ensuring A Secure Fit Without Discomfort. Enables Convenient At-home Monitoring, Allowing Users To Record And Compare Readings Regularly. Proper Cuff Fit Is Essential For Accurate Blood Pressure Measurement.