Features:Arm electronic sphygmomanometer, LCD digital display, results show high/low pressure/pulse, large screen, big words, clear reading. Clock function, year, month, day, hour, minute setting.WHO sphygmomanometer classification indicates blood pressure health status, convenient for users to accurately determine whether blood pressure is normal or not. Automatic compression and decompression, IHB heart rate detection.Voice broadcast function: Sound clear and easy to recognize, Voice prompt operation steps, get rid of presbyopic glasses.Data storage: 99 pairs of measurement results memory, can display the average reading of the last three measurement results, convenient for users to retrieve data for comparison.The overpressure protection function, the air pressure exceeds 295mmhg-20ms automatically fast exhaust, safe and reliable. Error prompt function, convenient for users to find the cause of the error. Low power detection function, LCD display prompt low power.One-button measurement, heart rate monitoring, accurate measurement, small and exquisite, easy to carry, suitable for the elderly to monitor their health at any time.