Precise upper arm measurementmemory for 2 x 60 measured values incl date and timelarge easy to read lcd display approximately 94 x 80 mmall readings with date and time systolic and diastolic blood pressure pulsewho indicator who world health organizationihb indicatorautomatic inflation and deflationbattery level indicatorbattery 4 x aa batteries includedaccuracy 3 mmhg 5 pulselanguage english german french and turkish for us english and spanishbacklit displayillum