Product name:Upper arm electronic sphygmomanometerFeatures:Power source: dry batteryWeight: 460g1. One-key measurement, heart rate monitoring, comfortable cuff, large screen and big characters, intelligent pressure, precise measurement, small and exquisite, easy to carry.2, 99 sets of two-person measurement results are memorized, which can display the average reading of the most recent measurement results, which is convenient for users to retrieve data for comparison.3. LCD liquid product effect character display, the result shows high pressure/low pressure/pulse, large screen and big characters, clear reading.4. Automatic compression and decompression, IHB arrhythmia detection.5. Manual shutdown or automatic shutdown after 1 minute of inactivity, simple and convenient operation.Thank you for purchasing my product. I hope to bring you good luck. If you have any questions, I will give you feedback as soon as possible.