Feature: 1. Large LED Screen: Upper arm blood pressure machine adopted a LED backlit screen for easy to read the data, suitable for tracking your blood pressure accurately in daily life. 2. Upper Arm Design: Automatic blood pressure machine adopted upper arm type design, provide high accuracy measurement results, which is a necessary tool for home use. 3. One Button Operation: Upper arm blood pressure monitor can automatically work in just 30 seconds with one button operation for convenience use, easy to know your health status. 4. 360° Inflation: Automatic blood pressure monitor can provide 360 degrees proper inflation around your arm to measure accurately, which helps to reduce the measurement errors. 5. Accurate Measurements: Upper arm blood pressure machine pressure range of 0‑300mmHg and pulse rate of 40‑199 times/min with ±3mmHg pressure accuracy and ±4% pulse rate accuracy. Specification: Item Type: Upper Arm Blood Pressure Monitor Material: ABS Battery Type: 4 x AAA Battery(Not Include) Measurement Range: Pressure: 0-300mmHg Pulse: 40x/min - 199x/min Accuracy: Pressure: ±3mmHg Pulse: ±4% Usage: Convenient for tracking your blood pressure and health condition. Package List: 1 x Blood Pressure Monitor 1 x Arm Cuff 1 x Instruction Manual