Health Monitoring USB Blood Pressure Machine Electronic Heart Rate Automatic Portable

Portable intelligent upper arm digital sphygmomanometer Display mode: LED digital display Test principle Oscillometric measurement blood pressure measurement range: 0mmHg~290mmHg (0.0KPa~38.7KPa) pulse measurement range: 40 times/min~180 times/min Power Type: DC6V 4 AA Alkaline Batteries Armband Applicable Range: Arm circumference 22cm~40cm Operating Temperature and Humidity: Temperature: -20~+55 Humidity: 80% OEM: Accepted