| Product Name |  Upper Arm Digital Blood Pressure Monitor U83Z |  
  | Measurement Methods |  Oscillometric method |  
  | Measuring Location |  Upper arm |  
  | Measuring arm circumference |  22~32cm(8.66~12.60 inch) |  
  | Measuring range |  Pressure:0-299mmHg  Pulse:40-199 pulses/min |  
  | Measuring accuracy |  Pressure: ±0.4kPa/±3mmHg  Pulse: ±5% of reading |  
  | Inflation |  Automatic by micro air pump |  
  | Deflation |  Automatic electronic control valve |  
  | Memory function |  2*90 group memories |  
  | Automatic power off |  In 3 minutes after using |  
  | Power Source |  4xAAA alkaline batteries |  
  | Item Size |  139mmx95mmx34mm(5.47x3.74x1.34 inch) |  
  | Operating Environment |  +5℃ to +40 ℃  15% to 85%RH |  
  | Storage Environment |  -20℃ to +55℃  10% to 85%RH |  
  | Way of use |  Fully automatic one-button measurement |