Clinically Accurate - The upper arm blood pressure monitor built-in advanced sensor with high sensitivity and has been tested to ensure accuracy. It can not only reads blood pressure, but also detect irregular heartbeat during the measurement One-Touch Operation & Large Display -This blood pressure monitor is fully automatic, just press the start button and it will provide you with accurate readings within 1 minute. The large backlit LCD display provides clear readings, people with poor eyesight can also easily read, especially suitable for the elders use 240 Memory & 2 Users Mode - The digital BP machine has dual-user mode, which can individually record up to 120 sets of data for each user, perfect to keep track of your fitness. With small and portable body, it's easy to store and carry that convenient for you to use on the travel Adjustable Large Cuff - The self-checking cuff is adjustable and fits for most standard and large adult arm sizes from circumference 8.7" to 15.7", easy to put on and take off by one person What You Get - 1x blood pressure monitor, 1x arm cuff, 1xUSB charger ( battery & AC adapter not included), 1 x user manual