Features Blood Pressure Monitor: Accurately measures your blood pressure and pulse rate. Provides reliable and consistent readings at home. Helps you monitor your health easily. Easy to Operate: Simply wrap the cuff around your arm and press start. The monitor automatically inflates and deflates, making it convenient for daily use. Large Memory with Practicability: Stores up to 99 measurements result memory and supports 2 users, allowing you to track your blood pressure over time. Ideal for sharing with family members. Clear Measurement Results: The digital display shows your systolic and diastolic blood pressure, as well as your pulse rate. Accurate within ±3 mmHg for pressure and ±5% for pulse. Adjustable Cuff: Fits arm sizes between 8.7in and 12.6in. Ensures a snug fit to provide accurate readings while ensuring your comfort during measurements. Specification: Item Type: Upper Arm Blood Pressure Monitor Material: ABS Altitude: 70KPa-106Kpa Measurement Method: Capacitive type oscillographic pressure sensor.  Measurement Range: SYS/DIA: 0 to 280 mmHg. Pulse: 40 to 199 per minute. Pressure Display Range: 0-299 mmHg.  Memory: Automatically stores the most recent 99pcs measurement, a total of 180pcs, from 2 users.  Measurement Resolution: 1 mmHg.  Accuracy: Pressure within ± 3 mmHg pulse ± 5%.  Upper Arm Cuff Circumference: Approx. 22 ~ 32cm / 8.66 ~ 12.6in Automatic Power Outage: 60 Seconds Battery Type: 4 x AAA battery, shipped without battery.  Package List: 1 x Upper Arm Blood Pressure Monitor 1 x Upper Arm Cuff 1 x Storage Bag 1 x User Manual Package List 1 x Upper Arm Blood Pressure Monitor 1 x Upper Arm Cuff 1 x Storage Bag 1 x User Manual