Thermometer Features: 1.Auto Shut-off 2.Low Battery Detector 3.Convenient:Easy to Read,LCD Display 4.CE ... display3, Dual unit: mmHg and Kpa4, 21 data saving5, low battery monitor6, 3 minutes auto shut-off energy savingRange: 20mmHg300mmHg2.7KPa40KPaAccuracy ...