The blood pressure monitor is contact screen design, three-color display, wrist measurement. It supports two-person memory records, 99 groups of memory values can be stored, voice prompts is friendly for the elderly.<br> Features:<br> Contact screen design, one key operation, lightweight and portable.<br> Three-step quick measurement, 1.5 seconds to start.<br> Three-color display, green color indicates normal range, orange color indicates slight high blood pressure, red color indicates severe high blood pressure.<br> Wrist measurement, not need to take off sleeves, easy to measure, fit and reduce errors caused by wearing.<br> Two-person memory records, 99 groups of memory values can be stored, scientific management of blood pressure.<br> Voice prompts during the measurement to stop the elderly from being incapable.<br> Equipped with a USB cable, energy once, standby for 30 days.<br> Specifications:<br> Material: ABS<br> Color: Black<br> Measurement Range: 0-280mmHg (0-37.33kPa)<br> Applicable Wrist Circumference: 135-195mm / 5.31-7.68in<br> Accuracy: Preesure: ±3mmHg (within±0.4kPa), Pulse rate: accuracy ±5%<br> Memory: 2 x 99 groups<br> Average Function: Last 3 groups average measuring value<br> Energy: 1 x Lithium cell, 3.7V 500mAh (included)<br> Screen Size: 2.55 * 1.96in<br> Item Size: 4.9 * 3.9 * 3.3in<br> Package Weight: 110g / 3.88ounces<br> Package Size: 130 * 100 * 80mm / 5.12 * 3.94 * 3.15in<br> Packing List:<br> 1 * Blood Pressure Monitor<br> 1 * USB Cable<br> 1 * User Manual<br> 1 * Storage Box