About this item 30s Accurate Measurement Technology blood pressure machine have advanced measuring technology, One-key operation can get accurate results in 30s, self-test function and misoperation reminder can minimize inaccurate readings caused by inappropriate use of cuff. Advanced Dual-User MemoryThis blood pressure monitor upper arm can store 99 sets of memory for two users which with date & time stamp. It can show the average value of the latest 3 times measurement which makes your readings more accurate. Voice Broadcast & LCD Large Display Large LCD display of blood pressure monitor equips with clearly show systolic, diastolic, pulse rate, date and time. Voice Broadcast suitable for the seniors and people with poor vision. The voice function can be turned off if you don't need it. Intelligent Adjustable Large CuffHigh quality blood pressure cuff arm is suitable for standard and large adult arms from 9 to 13 inches. Intelligent pressurization technology can reduce discomfort and tension caused by excessive inflation. Care About Your Health Anytime, AnywherePortable and compact design of blood pressure monitor make it easy to carry, just needs 4 AAA batteries (not included in the package) to use, comes with a protective bag, you can monitor your blood pressure when you are traveling or at home.