... -off 2.Low Battery Detector 3.Convenient:Easy to Read,LCD Display 4.CE ISO and ROHS approve Functions:1, One ... button measuring procedure, including display and saving;2, Big LCD display3, Dual unit: mmHg and Kpa4, 21 data saving5, low ... per day)Size:Weight: Approx. 380g (not including batteries) Superior Digital Thermometers