Come and see our amazing products. The arm blood pressure monitor has LCD digital display, the result shows high pressure/low pressure/pulse. A large screen with big characters and clear reading. Sphygmomanometer grades indicate blood pressure health status, which is convenient for users to accurately judge whether blood pressure is normal or not. 99 sets of measurement results of two people can be memorized, it displays the average reading of the last 3 measurement results. Thus, will make data retrieval convenient for users for comparison afterwards. Over pressure protection function, when the air pressure exceeds 295 mm/Hg-20ms, it will automatically and quickly exhaust, so basically it is safe and reliable. Pls confirm further with us if any query about packing info, inventory status and time schedule.