Please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin. This is a kind of fine quality blood-pressure mater, upper arm band type, mini size and protable, suitable for family use. Advantages: One-button measurement, heart rate monitoring, comfortable adjusted band, large screen large characters, intelligent pressure, accurate measurement, small and exquisite, easy to carry around with you. Never miss such a useful product. Features:  Upper arm type design, you need to take off your coat/sweater for measuring acculate. Full size LCD display ensures clear numbers for the elderly and you can see the systolic pressure, diastolic pressure and pulse easily. Three colors blood-pressure display bar to indicate different levels, people can judge the data whether in the normal-range at the first sight. Green means normal-level, yellow means high blood-pressure, red means severely high blood-pressure. Intellegent pressurize and decompress design, with English voice reporting function, more practical. Full Automatic, all the measuring process starts automatically once pressing a button,Super convenient for home use. The large size cuff almost fits all people no matter slim or strong. That you can place one finger into it is the most appropriate tightness. Specifications: Name: blood-pressure Monitor Material: ABS+PC Color: white, black (optional) Display: LED digital display Power by: 4 * AAA battery, 1.5V (excluded) or Type-C cable (not included) Principles of testing: Oscillometric measuring method  Measurement-range: 0mmHg-290mmHg(0.0KPa-38.7KPa)  Pulse measurement-range: 40th/min-180th/min  Measurement accuracy: Pressure: ±3mmHg (±0.4KPa), pulse: ±5%  Pressurize: Automatic pressurization by air pump  Depressurize: Automatic exhaust-method through fixed row pressure reduction  Exhaust: Automatic rapid exhaust through solenoid valve  Security structure: When it exceeds 300mmHg, the solenoid valve is used for rapid exhaust.  Use temperature and humidity temperature: -20℃ to +55℃  Humidity: ≤ 80%  Storage temperature and humidity temperature: -20℃ to +55℃  Humidity: ≤ 80%  Atmospheric pressure-range: 70KPa-106KPa Applicable arm circumference: 220mm-400mm Item size: 136 * 104 * 79mm / 5.35 * 4.09 * 3.11in Item weight: 365g / 12.87ounce Package size: 113 * 100 * 158mm / 4.45 * 3.94 * 6.22in Package weight: 422g / 14.89ounce Packing List: 1 * blood-pressure Monitor 1 * English User Manual