Feature:1. Clear Digital Display: Blood pressure monitor high definition screen provides clear numerical readings during measurements, making it easy to read.2. Adjustable Volume: Real time voice broadcast feature announces blood pressure levels, with adjustable volume settings to suit different user preferences.3. Dual User Mode: Allows 2 individuals to separately monitor, track, and store readings on the same device. The enhanced memory capacity enables up to 99 readings per user.4. One Button Design: Enables quick and accurate readings with the push of a button. The monitor automatically calculates the average of three values for increased accuracy. Self checking cuff position and motion detection indicators ensure accurate measurements.5. Durable And Comfortable: Wide range cuff accommodates arms with a circumference of 8.7 inches to 15.7 inches. The ergonomically designed comfortable cuff wraps easily around the arm.Specification:Item Type: Blood Pressure MonitorMaterial: ABSSize: Approx. 115 x 96 x 59mm / 4.5 x 3.8 x 2.3inStorage Temperature: -20~50 Storage Humidity: 15%~90%Operating Temperature: 10~40 Operating Humidity: 40%~85%Display: LCD digital displayMeasurement Method: Pulse scanning method/oscilloscope methodMeasurement Range: Hypertension/hypotension: 20mmHg to 280mmHgPulse: (40~200) times/minResolution: 1mmHg (0.1kPa)Accuracy: 3mmHg (0.4kPa)Pulse: Within 3% of reading valueVoltage: 6V Power consumption: 0.01WBattery: 4pcs AAA batteries (not included).Package List:1 xBlood Pressure Monitor1 x Wristband1 x Instruction1 x Storage Bag