Descriptions:Display screen: LCD digital display screenMeasuring range: blood pressure 0~280mmHg, pulse 40~199 times/minutePressurization mode: automatic pressurization by air pumpPressure reducing method: solenoid valve control pressure reducingMeasurement error: blood pressure 3% heart rate 5%Memory capacity: 90 groups of measured data and time can be memorizedPressure sensing: semiconductor pressure sensorPower supply: 2 AAA batteriesMeasurement interval: 1mm HgOperating temperature and humidity:+10 ~+40 /40%~85% R.HStorage temperature and humidity: - 20~+50 /15%~90% R.HWrist band range: 135~195 mmProduct featuresOriginal imported chip and converter, high measurement accuracy and long service lifeIntelligent simulation test processRapid measurement of systolic blood pressure, diastolic blood pressure and pulseClear and visible large-screen LCD digital displayAutomatic memory of 90 groups of measurement resultsIntelligent automatic shutdown functionEach group of measurement results can be queried in sequencePackage Includes: 1 x Wrist Type Blood Pressure Monitor Kit1.Actual color may be slightly different from the image due to different monitor and light effect.2.Please allow 1-3cm deviation due to manual measurement.