... time/date with every records Automatically arm blood pressure monitor /meter Properties:1, Intelligent control, accurate and reliable: automatic pressure ... life: 300 times9, Work environment: + 5 °C-+ 40 °C, relative humidity below 85%10,Storage environment:-20 °C-+ 55 °C (28 ... ° F to 131 ° F) relative humidity below 85%11, Low voltage display: battery symbols12, Measuring time ...