Feature: Specification: Automatic blood pressure monitor with large LCD digital screen, convenient to do the self-inspection. Features: Dual user groups, each user can record up to 99 measurements. Lage LCD display shows all measurements clearly, favorable for the elderly. Intelligent boosting makes blood pressure measurement comfortable and correct. Easy to use. Assume proper sitting position and wrap the cuff around your wrist, then one touch the button and the result will show later. Compact size convenient to take, allows to measure at anywhere and anytime. Specifications: Screen: LCD digital display Storage Capacity: 2 * 99 sets measurement data Voltage: 3V Measuring Range: blood pressure: 20mmHg(2.7KPa)~280mmHg(37.3kPa), pulse rate 40/min~200/min Accuracy: Blood pressure: ±3mmHg(±0.4kPa), pulse rate: ±3% Storage Temperature: -20℃~50℃ Storage Humidity: 15%-90% Working Temperature: 10℃-40℃ Working Humidity: 40%-85% Item Size: 7.6 * 6.8 * 3.1cm / 3.0 * 2.7 * 1.2in Package List: 1 * Blood Pressure Monitor Package List: 1 * Blood Pressure Monitor