【CLINICAL ACCURACY】: yuwell blood pressure monitor is certificated by CE and meet the standard of ESH (European Society Of Hypertension) and AAMI standards, through ten thousands of clinical data collected from hypertension patients, supported by yuwell's 27 years of medical device expertise, proprietary DFFA Algorithm and advanced SOC chip 【Voice Broadcast】: yuwell blood pressure monitor features one button operation. After wrapping the upper arm cuff well, the voice broadcast will follow up the whole measurement, intelligent diagnosis will remind you if your blood pressure is normal or not at the end of measurement 【Comfortable Cuff】: This soft, wide-range blood pressure cuff is designed for more comfortable measurement experience. The cuff fits upper arms from 22cm to 45cm in circumference. Intelligent pressurization technology can reduces discomfort and tension caused by excessively inflation. Self-test function and mis-operation reminder can minimize inaccurate readings caused by inappropriate use of cuff 【99 Memory Storage】: yuwell upper arm blood pressure monitor with the internal memory storage, it can display 99 records, this is very convenient for you to keep track of your blood pressure and health, and it can show the average value of the latest 3 times measurement which makes your readings more accurate 【Thoughtful Design】: yuwell blood pressure monitor large cuff can capture any body movement during the test and remind you correct testing posture. The design with hypertension indicator and irregular heartbeat alert for fitness tracker is perfect for home use. A host, an arm cuff, 4 AA batteries, a power adapter, a user manual, a storage bag and a packing box are included