Measuring method         : Oscillometry
Measuring range             : 40 to 180mm(DIA)
                                             60 to 260mmHg(SYS)
                                             40 to 160 beats/minute (pulse rate)
Measuring accuracy        : + 3mmHg for static pressure
                                             + 5% of the reading for the pulse rate
Inflation :                             Automatic by the pump
Rapid deflation Memory : 4*AAAx1.5V or AC Adapter 2 users with 90 sets of memory each
Operation temperature   : +10C to + 40C, 85% and below
and humidity
Storage temperature       : - 20C to + 50C, 85% and below
and humidity
Upper arm                         : Applicable for arm circumferece 22-32cm
circumference
Size                                    : 127(L) X 100(W) X 77(H)mm
Weight                               :Approximately 245g without batteries           
Complete kit                     :Main body, Cuff, instruction manual
                                             4xAAA batteries (optional), Micro USB cable (optional)