DescriptionAre you looking for a professional, yet affordable sphygmomanometer? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional sphygmomanometer must meet you needs. It is one of the best choices for you.Features- Color: White. - Size: About 7.56 x 6.84 x 3.1 cm. - Material: ABS. - Measurement of wrist circumference: 13.5~19.5cm - Power supply: DC 3V (2 AA batteries-Not Included) - Measurement range: hypertension/hypotension: 20mmHg~280mmHg - Pulse :(40~200) BPM. - Accuracy: 3mmHg (0.4kPa) - Pulse: within 3% of the reading value - Storage temperature: -20~50 - LCD displays, favorable for the elderly to see,really care for the health of parents. - More accurate measurements using more powerful functional algorithms. - It only needs one button to start the measurement automatically without repeated operation. - Dual memory allows parent data to be stored seperately. - Small and light, easy to carry, measuring the arterial blood pressure of the wrist anytime, anywhere. - Each person memorizes 99 sets of data to facilitate blood pressure inquiry.