Easy to use: Simply wrap around your wrist and with one press of the button, the fully automatic electronic blood pressure monitor starts to inflate, take the required measurements, ideal for home use. Value measurement and store readings: This blood pressure monitor measures systolic / diastolic pressure and pulse through the wrist. WHO Classification Indicator: WHO Color Classification BP bar shows how your reading compares to normal home blood pressure levels, green for normal, yellow for high normal, red for hypertension. Auto power off: Auto power off when no operation for 1 minute. Fashionable on the outside, light and compact, easy to carry, suitable for healthcare (medical field, families and adults). Product description Display mode: LCD digital display Measuring range: 20-280 (mmHg) Measurement method: pulse scanning / oscillographic method Pressure accuracy: 3 (mmHg) Pulse accuracy: 5 (%) Applicable working temperature: + 5- + 40 ( C) Exhaust Method: Fully Automatic Quick Exhaust Automatic shutdown function: YesProducts from Botao's store