Digital Wrist Blood Pressure Monitor Cuff Electric BP Check Machine Portable Clinical Automatic About the product Fast data measurement reliability: using microcomputer intelligent measurement system. Simple operation: automatic operation, you can measure blood pressure with just one click. 2 x 90 group memory function: all measurement results, date and time will be displayed on the LCD LCD, easy to read, and automatically stored. Easy to read: large LCD display, can clearly display blood pressure and pulse readings, pressure error is less than 3mmHg, pulse error is less than 5% Blood pressure warning: when measuring blood pressure above normal, it will be shown on the left of the screen, red for high pressure, yellow for high, and green for normal.