Reliable BP Monitor and Easy to Use: To ensure product correctness, we calibrate each of our products before delivery, Using the proper measurement technique, the error is within 3 mmHg, as highly advised by doctors and hypertensive patients. The start/stop button is all that is required to measure your blood pressure and heart rate with this completely automated upper arm blood pressure monitor. The entire process takes around 30 seconds 2 User Modes and Adjustable Large Cuff: This digital blood pressure monitor makes it easy to track your blood pressure by storing up to 99 memories for each user profile. Standard and large adult arms are compatible with this high blood pressure monitor, with measurements between 22 cm (8.7 inches) and 44 cm(17.32 inches) Large LCD Screen and Voice Broadcast: It's simple to read your blood pressure and heart rate with our arm blood pressure monitor's large LCD screen. For those with low vision, voice broadcasting is convenient. The