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 Monitor Material: ABS Size: Approx. 115 x 96 x 59mm / 4.5 x 3.8 x 2.3in Storage Temperature: -20℃~50℃ Storage Humidity: 15%~90% Operating Temperature: 10℃~40℃ Operating Humidity: 40%~85% Display: LCD digital display Measurement Method: Pulse scanning method/oscilloscope method Measurement Range: Hypertension/hypotension: 20mmHg to 280mmHg Pulse: (40~200) times/min Resolution: 1mmHg (0.1kPa) Accuracy: ±3mmHg (±0.4kPa) Pulse: Within ±3% of reading value Voltage: 6V Power consumption: 0.01W Battery: 4pcs AAA batteries (not included ) . Package List: 1 x Blood Pressure Monitor1 x Wristband1 x Instruction1 x Storage Bag