LCD liquid crystal digital display, the result shows high voltage/low voltage/pulse, large screen and large characters, clear readings. The classification of WHO sphygmomanometers indicates the health status of blood pressure, which is convenient for users to accurately judge whether blood pressure is normal. Fully automatic compression and decompression, IHB arrhythmia detection. Clock function: year, month, day, hour, minute setting. Memory of 99 sets of measurement results for two people, can display the average reading of the latest 3 measurement results, which is convenient for users to retrieve data for comparison. Manual shutdown or automatic shutdown after 1 minute of no operation, the operation is simple and convenient. The blood pressure value unit Kpa and mmHg two display unit conversion (the default unit is mmHg after booting). If the air pressure exceeds 295mmHg-20ms, it will automatically and quickly exhaust. Detect low power in any working state, and the LCD display will prompt low power. Advantages: one-button measurement, heart rate monitoring, comfortable cuff, large screen and large characters, intelligent pressurization, accurate measurement, small and exquisite, easy to carry. Main features of the product: large screen and large characters, intelligent pressurization, one-button operation, heart rate monitoring. 4.7-inch large screen, larger font, clear information at a glance, smart booster wristband, overvoltage protection function, reducing discomfort during measurement. Easy to use, wear it in five seconds, and start measuring with one button. Synchronous heart rate monitoring can detect symptoms such as irregular heart rate. The rich and concise display interface supports 99 sets of data storage for two people, and the health status is clear at a glance.