Just wrap the cuff around the upper arm in a relaxed sitting position (suitable for arm circumference of 22-32 cm), press the start button, and you're done! The measurement results include systolic blood pressure, diastolic blood pressure, pulse rate, date, time, and user ID.The blood pressure machine can measure blood pressure and pulse rate within 45 seconds, with a large and bright LCD backlit display screen that is friendly to the elderly and very suitable for home use.Package: 1 x Upper arm blood pressure monitor, 1 x Cuff 22-32cm, 1 x User's Manual. Note: Please read the user manual carefully when measuring and follow the precautions and steps in the user manual for measurement.Dual user mode supports recording measurement data from two different groups of users. Each user can independently record the latest 99 readings, helping users easily track their blood pressure and pulse rate based on specific times and dates, and understand their health status.Two power modes: 4 x 1.5V AAA batteries (not included) or directly connected to a USB cable (not included).