Read more Specifications of Upper Arm Blood Pressure Monitor Automatic 1) Measurement Range: Pressure 0-229 mmHg(0-39.9kPa),Pulse ±5% of reading,40-199 pulse/min, Irregular Heartbeat Indicator 2) Pulse Range: 40-199 beats per minute 3) LCD Size: 6" diameter 4) Wide Range Cuff Size: Large, 8.66” - 17.5" 5) Product Dimensions: 5.12 x 3.74 x 2.24 Inch 6) 3 Ways Power Source: 4 AAA Batteries or USB-C Adapter included. (Battery not included) Clear Blood Pressure Classification It can provide measurement in both mmHg and kPa,and measure both blood pressure and heart rate with an irregular heart indicator. Clear blood oressure classification, has 3 levels, normal, higher, dangerous. Easy to Read for Elderly Soft backlight and eye-protection LCD screen, Super large LCD Display with large clear numbers makes this blood pressure monitor an ideal choice for the elderly with poor eyesight. Reading blood pressure readings is no longer a chore! 2 User Mode,180 readings Using imported chips, technology frontiers, closer to the real data level, let you get real data, data within 3 seconds, faster. Read more Largest Screen Equipped with a largest screen display and clear readings make more easier to view the results. One-Key Detection Enjoy the convenient of technology. Just press colored STRART/STOP button to start measurement. No complicated setups required. Unique Design 1.The buttons is designed small and easy to control. 2.The sleeve tube interface has a leak-proof design and comfortable design with an inclination angle of 18.5 ° Read more Correct posture 1.Wrap the cuff around your upper arm 2.Assume proper sitting position 3.Press the start /stop button! How to wear cuff Cuff size is from 8.66 inches to 17.5 inches, Fit for most standard and larger arms. Package 1* Upper arm blood pressure monitor 1* Cuff 22-45 cm 1* User manual 1* USB C charger cord 1* Package box 1* AC Adapter Read more